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BOSTON MARATHON 2026

Sydney Sumner

Bib: 15966•F

VA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 39%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°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
25:17
3.11 mi
Rank: #17840
Start → 5K
25:17 | 8:09/mi
10K
50:10
6.21 mi
Rank: #17609 (+231)
5K → 10K
24:53 | 8:01/mi
15K
1:13:54
9.32 mi
Rank: #16523 (+1086)
10K → 15K
23:44 | 7:39/mi
20K
1:37:29
12.43 mi
Rank: #15508 (+1015)
15K → 20K
23:35 | 7:36/mi
HALF
1:42:30
13.11 mi
Rank: #15337 (+171)
20K → HALF
5:01 | 7:22/mi
25K
2:00:34
15.53 mi
Rank: #14607 (+730)
HALF → 25K
18:04 | 7:27/mi
30K
2:25:08
18.64 mi
Rank: #14245 (+362)
25K → 30K
24:34 | 7:55/mi
20M
2:36:29
20.00 mi
Rank: #14302 (-57)
30K → 20M
11:21 | 8:22/mi
21M
2:45:38
21.00 mi
Rank: #14433 (-131)
20M → 21M
9:09 | 9:09/mi
35K
2:51:54
21.75 mi
Rank: #14535 (-102)
21M → 35K
6:16 | 8:23/mi
23M
3:02:36
23.00 mi
Rank: #14636 (-101)
35K → 23M
10:42 | 8:34/mi
24M
3:10:46
24.00 mi
Rank: #14648 (-12)
23M → 24M
8:10 | 8:10/mi
40K
3:18:05
24.85 mi
Rank: #14712 (-64)
24M → 40K
7:19 | 8:34/mi
25.2M
3:21:23
25.20 mi
Rank: #14765 (-53)
40K → 25.2M
3:18 | 9:35/mi
FINISH
3:29:43
26.22 mi
Rank: #14863 (-98)
25.2M → FINISH
8:20 | 8:11/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:30
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5925:178:0925:17
8:09
-
10K
6.21 mi11:22:5250:108:0524:53
8:01
-0:08
15K
9.32 mi11:46:361:13:547:5623:44
7:39
-0:22
20K
12.43 mi12:10:111:37:297:5123:35
7:36
-0:03
HALF
13.11 mi12:15:121:42:307:505:01
7:22
-0:14
25K
15.53 mi12:33:162:00:347:4618:04
7:27
+0:05
30K
18.64 mi12:57:502:25:087:4824:34
7:55
+0:28
20M
20.00 mi13:09:112:36:297:5011:21
8:22
+0:27
21M
21.00 mi13:18:202:45:387:549:09
9:09
+0:47
35K
21.75 mi13:24:362:51:547:556:16
8:23
-0:46
23M
23.00 mi13:35:183:02:367:5710:42
8:34
+0:11
24M
24.00 mi13:43:283:10:467:578:10
8:10
-0:24
40K
24.85 mi13:50:473:18:057:597:19
8:34
+0:24
25.2M
25.20 mi13:54:053:21:238:003:18
9:35
+1:01
FINISH
26.22 mi14:02:253:29:438:018:20
8:11
-1:24

Checkpoint Splits Visualizations

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

📈Pace 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

7:22 /mi

Average Pace

8:00 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

1:10:24

34% of race

Time at Steady Pace

1:48:51

52% of race

Time at Slower Pace

30:28

15% of race

Average Pace: 8:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi10:57:5925:178:0925:17
8:09
#17840
10K
6.21 mi11:22:5250:108:0524:53
8:01
#17609
15K
9.32 mi11:46:361:13:547:5623:44
7:39
#16523
20K
12.43 mi12:10:111:37:297:5123:35
7:36
#15508
HALF
13.11 mi12:15:121:42:307:505:01
7:22
#15337
25K
15.53 mi12:33:162:00:347:4618:04
7:27
#14607
30K
18.64 mi12:57:502:25:087:4824:34
7:55
#14245
20M
20.00 mi13:09:112:36:297:5011:21
8:22
#14302
21M
21.00 mi13:18:202:45:387:549:09
9:09
#14433
35K
21.75 mi13:24:362:51:547:556:16
8:23
#14535
23M
23.00 mi13:35:183:02:367:5710:42
8:34
#14636
24M
24.00 mi13:43:283:10:467:578:10
8:10
#14648
40K
24.85 mi13:50:473:18:057:597:19
8:34
#14712
25.2M
25.20 mi13:54:053:21:238:003:18
9:35
#14765
FINISH
26.22 mi14:02:253:29:438:018:20
8:11
#14863
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi178406407640714026(Top 48%)4152(Top 33%)4152(Top 73%)
10K6.21 mi3.10 mi17609+2316256+1516256+15117315(Top 60%)6095(Top 48%)6095(Top 107%)
15K9.32 mi3.11 mi16523+10865644+6125644+61214026(Top 48%)4152(Top 33%)4152(Top 73%)
20K12.43 mi3.11 mi15508+10155056+5885056+58812780(Top 44%)3546(Top 28%)3546(Top 62%)
HALF13.11 mi0.68 mi15337+1714949+1074949+10711864(Top 41%)2977(Top 24%)2977(Top 52%)
25K15.53 mi2.42 mi14607+7304515+4344515+43411035(Top 38%)2658(Top 21%)2658(Top 47%)
30K18.64 mi3.11 mi14245+3624354+1614354+16112820(Top 44%)3756(Top 30%)3756(Top 66%)
20M20.00 mi1.36 mi14302-574405-514405-5115274(Top 53%)5228(Top 42%)5228(Top 91%)
21M21.00 mi1.00 mi14433-1314501-964501-9616919(Top 58%)6197(Top 49%)6197(Top 108%)
35K21.75 mi0.75 mi14535-1024587-864587-8616913(Top 58%)6267(Top 50%)6267(Top 110%)
23M23.00 mi1.25 mi14636-1014681-944681-9416011(Top 55%)5847(Top 46%)5847(Top 102%)
24M24.00 mi1.00 mi14648-124716-354716-3514870(Top 51%)5259(Top 42%)5259(Top 92%)
40K24.85 mi0.85 mi14712-644767-514767-5116045(Top 55%)5989(Top 48%)5989(Top 105%)
25.2M25.20 mi0.35 mi14765-534811-444811-4417658(Top 61%)6830(Top 54%)6830(Top 119%)
FINISH26.22 mi1.02 mi14863-984881-704881-7016299(Top 56%)6107(Top 49%)6107(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

14026

Females

4152

F18-39

4152

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17315

Females

6095

F18-39

6095

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

14026

Females

4152

F18-39

4152

15K→20K

9.3 - 12.4 mi

Top 44%
×5
+106ft-86ft

Overall

12780

Females

3546

F18-39

3546

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

11864

Females

2977

F18-39

2977

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

11035

Females

2658

F18-39

2658

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12820

Females

3756

F18-39

3756

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15274

Females

5228

F18-39

5228

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16919

Females

6197

F18-39

6197

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16913

Females

6267

F18-39

6267

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

16011

Females

5847

F18-39

5847

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14870

Females

5259

F18-39

5259

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

16045

Females

5989

F18-39

5989

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1
+13ft-16ft

Overall

17658

Females

6830

F18-39

6830

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16299

Females

6107

F18-39

6107

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4235*
Passed By
1258
Net Change
+2977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17840
5K → 10K395*164+231#17840#17609
10K → 15K1091*5+1086#17609#16523
15K → 20K1016*1+1015#16523#15508
20K → HALF1721+171#15508#15337
HALF → 25K731*1+730#15337#14607
25K → 30K406*44+362#14607#14245
30K → 20M83140-57#14245#14302
20M → 21M63194-131#14302#14433
21M → 35K36138-102#14433#14535
35K → 23M78179-101#14535#14636
23M → 24M7486-12#14636#14648
24M → 40K38102-64#14648#14712
40K → 25.2M1669-53#14712#14765
25.2M → FINISH36134-98#14765#14863
TOTALS4235*1258+2977

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing