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BOSTON MARATHON 2026

Sophie Dennison-Gibby

Bib: 28948β€’F

VA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
34:14
3.11 mi
Rank: #28042
Start β†’ 5K
34:14 | 11:02/mi
10K
1:07:14
6.21 mi
Rank: #27584 (+458)
5K β†’ 10K
33:00 | 10:38/mi
15K
1:40:13
9.32 mi
Rank: #27335 (+249)
10K β†’ 15K
32:59 | 10:37/mi
20K
2:12:52
12.43 mi
Rank: #27037 (+298)
15K β†’ 20K
32:39 | 10:31/mi
HALF
2:19:57
13.11 mi
Rank: #27002 (+35)
20K β†’ HALF
7:05 | 10:24/mi
25K
2:49:11
15.53 mi
Rank: #27151 (-149)
HALF β†’ 25K
29:14 | 12:04/mi
30K
3:24:03
18.64 mi
Rank: #26912 (+239)
25K β†’ 30K
34:52 | 11:14/mi
20M
3:41:59
20.00 mi
Rank: #27009 (-97)
30K β†’ 20M
17:56 | 13:13/mi
21M
3:56:04
21.00 mi
Rank: #27061 (-52)
20M β†’ 21M
14:05 | 14:05/mi
35K
4:05:42
21.75 mi
Rank: #27099 (-38)
21M β†’ 35K
9:38 | 12:53/mi
23M
4:21:40
23.00 mi
Rank: #27123 (-24)
35K β†’ 23M
15:58 | 12:46/mi
24M
4:33:41
24.00 mi
Rank: #27113 (+10)
23M β†’ 24M
12:01 | 12:01/mi
40K
4:45:32
24.85 mi
Rank: #27165 (-52)
24M β†’ 40K
11:51 | 13:52/mi
25.2M
4:50:10
25.20 mi
Rank: #27164 (+1)
40K β†’ 25.2M
4:38 | 13:27/mi
FINISH
5:01:53
26.22 mi
Rank: #27173 (-9)
25.2M β†’ FINISH
11:43 | 11:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:19:57
Pace10:41 /mi
2nd Half
Distance13.11 mi
Time2:41:56
Pace12:22 /mi
πŸ“ŠPositive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:3434:1411:0234:14
11:02
-
10K
6.21 mi12:30:341:07:1410:5033:00
10:38
-0:24
15K
9.32 mi13:03:331:40:1310:4632:59
10:37
-0:01
20K
12.43 mi13:36:122:12:5210:4232:39
10:31
-0:06
HALF
13.11 mi13:43:172:19:5710:417:05
10:24
-0:07
25K
15.53 mi14:12:312:49:1110:5429:14
12:04
+1:40
30K
18.64 mi14:47:233:24:0310:5734:52
11:14
-0:50
20M
20.00 mi15:05:193:41:5911:0617:56
13:13
+1:59
21M
21.00 mi15:19:243:56:0411:1514:05
14:05
+0:52
35K
21.75 mi15:29:024:05:4211:189:38
12:53
-1:12
23M
23.00 mi15:45:004:21:4011:2315:58
12:46
-0:07
24M
24.00 mi15:57:014:33:4111:2512:01
12:01
-0:45
40K
24.85 mi16:08:524:45:3211:3011:51
13:52
+1:51
25.2M
25.20 mi16:13:304:50:1011:314:38
13:27
-0:25
FINISH
26.22 mi16:25:135:01:5311:3211:43
11:30
-1:57

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:24 /mi

Average Pace

11:31 /mi

Slowest Pace

14:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:54:49

58% of race

Time at Steady Pace

52:58

18% of race

Time at Slower Pace

1:14:06

25% of race

Average Pace: 11:31 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:57:3434:1411:0234:14
11:02
#28042
10K
6.21 mi12:30:341:07:1410:5033:00
10:38
#27584
15K
9.32 mi13:03:331:40:1310:4632:59
10:37
#27335
20K
12.43 mi13:36:122:12:5210:4232:39
10:31
#27037
HALF
13.11 mi13:43:172:19:5710:417:05
10:24
#27002
25K
15.53 mi14:12:312:49:1110:5429:14
12:04
#27151
30K
18.64 mi14:47:233:24:0310:5734:52
11:14
#26912
20M
20.00 mi15:05:193:41:5911:0617:56
13:13
#27009
21M
21.00 mi15:19:243:56:0411:1514:05
14:05
#27061
35K
21.75 mi15:29:024:05:4211:189:38
12:53
#27099
23M
23.00 mi15:45:004:21:4011:2315:58
12:46
#27123
24M
24.00 mi15:57:014:33:4111:2512:01
12:01
#27113
40K
24.85 mi16:08:524:45:3211:3011:51
13:52
#27165
25.2M
25.20 mi16:13:304:50:1011:314:38
13:27
#27164
FINISH
26.22 mi16:25:135:01:5311:3211:43
11:30
#27173
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi28042119091190926901(Top 93%)11240(Top 89%)11240(Top 629%)
10K6.21 mi3.10 mi27584+45811627+28211627+28227142(Top 94%)11386(Top 91%)11386(Top 638%)
15K9.32 mi3.11 mi27335+24911499+12811499+12826901(Top 93%)11240(Top 89%)11240(Top 629%)
20K12.43 mi3.11 mi27037+29811310+18911310+18926153(Top 90%)10833(Top 86%)10833(Top 607%)
HALF13.11 mi0.68 mi27002+3511295+1511295+1526482(Top 91%)11052(Top 88%)11052(Top 619%)
25K15.53 mi2.42 mi27151-14911399-10411399-10427570(Top 95%)11709(Top 93%)11709(Top 656%)
30K18.64 mi3.11 mi26912+23911289+11011289+11025744(Top 89%)10756(Top 86%)10756(Top 602%)
20M20.00 mi1.36 mi27009-9711355-6611355-6627588(Top 95%)11814(Top 94%)11814(Top 661%)
21M21.00 mi1.00 mi27061-5211391-3611391-3627393(Top 94%)11745(Top 93%)11745(Top 658%)
35K21.75 mi0.75 mi27099-3811417-2611417-2627608(Top 95%)11874(Top 94%)11874(Top 665%)
23M23.00 mi1.25 mi27123-2411437-2011437-2027076(Top 93%)11626(Top 92%)11626(Top 651%)
24M24.00 mi1.00 mi27113+1011444-711444-726656(Top 92%)11449(Top 91%)11449(Top 641%)
40K24.85 mi0.85 mi27165-5211484-4011484-4027809(Top 96%)12015(Top 96%)12015(Top 673%)
25.2M25.20 mi0.35 mi27164+111487-311487-326625(Top 92%)11434(Top 91%)11434(Top 640%)
FINISH26.22 mi1.02 mi27173-911498-1111498-1126888(Top 93%)11586(Top 92%)11586(Top 649%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
Γ—21
+97ft-345ft

Overall

26901

Females

11240

F45-49

11240

5K→10K

3.1 - 6.2 mi

Top 94%
Γ—5
+79ft-138ft

Overall

27142

Females

11386

F45-49

11386

10K→15K

6.2 - 9.3 mi

Top 93%
Γ—3
+67ft-78ft

Overall

26901

Females

11240

F45-49

11240

15K→20K

9.3 - 12.4 mi

Top 90%
Γ—5
+106ft-86ft

Overall

26153

Females

10833

F45-49

10833

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26482

Females

11052

F45-49

11052

HALF→25K

13.1 - 15.5 mi

Top 95%
Γ—4
+66ft-88ft

Overall

27570

Females

11709

F45-49

11709

25K→30K

15.5 - 18.6 mi

Top 89%
Γ—9
+181ft-148ft

Overall

25744

Females

10756

F45-49

10756

30K→20M

18.6 - 20.0 mi

Top 95%
Γ—5
+64ft-50ft

Overall

27588

Females

11814

F45-49

11814

20M→21M

20.0 - 21.0 mi

Top 94%
Γ—8
+106ft-24ft

Overall

27393

Females

11745

F45-49

11745

21M→35K

21.0 - 21.8 mi

Top 95%
Γ—7
+17ft-86ft

Overall

27608

Females

11874

F45-49

11874

35K→23M

21.8 - 23.0 mi

Top 93%
Γ—5
+23ft-63ft

Overall

27076

Females

11626

F45-49

11626

23M→24M

23.0 - 24.0 mi

Top 92%
Γ—6
+12ft-82ft

Overall

26656

Females

11449

F45-49

11449

24M→40K

24.0 - 24.9 mi

Top 96%
Γ—1
+6ft-20ft

Overall

27809

Females

12015

F45-49

12015

40K→25.2M

24.9 - 25.2 mi

Top 92%
Γ—1
+13ft-16ft

Overall

26625

Females

11434

F45-49

11434

25.2M→FINISH

25.2 - 26.2 mi

Top 93%
Γ—2
+22ft-21ft

Overall

26888

Females

11586

F45-49

11586

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1557
Passed By
688
Net Change
+869
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#28042
5K β†’ 10K47618+458#28042#27584
10K β†’ 15K27829+249#27584#27335
15K β†’ 20K30911+298#27335#27037
20K β†’ HALF405+35#27037#27002
HALF β†’ 25K43192-149#27002#27151
25K β†’ 30K26021+239#27151#26912
30K β†’ 20M19116-97#26912#27009
20M β†’ 21M1567-52#27009#27061
21M β†’ 35K1755-38#27061#27099
35K β†’ 23M3155-24#27099#27123
23M β†’ 24M2919+10#27123#27113
24M β†’ 40K759-52#27113#27165
40K β†’ 25.2M1312+1#27165#27164
25.2M β†’ FINISH2029-9#27164#27173
TOTALS1557688+869
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing