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BOSTON MARATHON 2026

Olivia Dennett

Bib: 28957•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
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
29:48
3.11 mi
Rank: #24768
Start → 5K
29:48 | 9:36/mi
10K
58:09
6.21 mi
Rank: #24105 (+663)
5K → 10K
28:21 | 9:08/mi
15K
1:26:12
9.32 mi
Rank: #23720 (+385)
10K → 15K
28:03 | 9:02/mi
20K
1:54:17
12.43 mi
Rank: #23346 (+374)
15K → 20K
28:05 | 9:03/mi
HALF
2:00:23
13.11 mi
Rank: #23306 (+40)
20K → HALF
6:06 | 8:57/mi
25K
2:22:47
15.53 mi
Rank: #23067 (+239)
HALF → 25K
22:24 | 9:15/mi
30K
2:51:38
18.64 mi
Rank: #22660 (+407)
25K → 30K
28:51 | 9:18/mi
20M
3:04:22
20.00 mi
Rank: #22481 (+179)
30K → 20M
12:44 | 9:23/mi
21M
3:14:14
21.00 mi
Rank: #22345 (+136)
20M → 21M
9:52 | 9:52/mi
35K
3:21:03
21.75 mi
Rank: #22265 (+80)
21M → 35K
6:49 | 9:07/mi
23M
3:33:13
23.00 mi
Rank: #22184 (+81)
35K → 23M
12:10 | 9:44/mi
24M
3:43:03
24.00 mi
Rank: #22198 (-14)
23M → 24M
9:50 | 9:50/mi
40K
3:52:00
24.85 mi
Rank: #22255 (-57)
24M → 40K
8:57 | 10:29/mi
25.2M
3:57:31
25.20 mi
Rank: #22477 (-222)
40K → 25.2M
5:31 | 16:00/mi
FINISH
4:06:54
26.22 mi
Rank: #22431 (+46)
25.2M → FINISH
9:23 | 9:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:23
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:06:31
Pace9:40 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4129:489:3629:48
9:36
-
10K
6.21 mi12:21:0258:099:2228:21
9:08
-0:28
15K
9.32 mi12:49:051:26:129:1528:03
9:02
-0:06
20K
12.43 mi13:17:101:54:179:1228:05
9:03
+0:01
HALF
13.11 mi13:23:162:00:239:116:06
8:57
-0:06
25K
15.53 mi13:45:402:22:479:1222:24
9:15
+0:18
30K
18.64 mi14:14:312:51:389:1328:51
9:18
+0:03
20M
20.00 mi14:27:153:04:229:1412:44
9:23
+0:05
21M
21.00 mi14:37:073:14:149:159:52
9:52
+0:29
35K
21.75 mi14:43:563:21:039:156:49
9:07
-0:45
23M
23.00 mi14:56:063:33:139:1712:10
9:44
+0:37
24M
24.00 mi15:05:563:43:039:189:50
9:50
+0:06
40K
24.85 mi15:14:533:52:009:218:57
10:29
+0:39
25.2M
25.20 mi15:20:243:57:319:265:31
16:00
+5:31
FINISH
26.22 mi15:29:474:06:549:269:23
9:13
-6:47

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

8:57 /mi

Average Pace

9:25 /mi

Slowest Pace

16:00 /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

0:00

0% of race

Time at Steady Pace

3:52:26

94% of race

Time at Slower Pace

14:28

6% of race

Average Pace: 9:25 /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 mi11:52:4129:489:3629:48
9:36
#24768
10K
6.21 mi12:21:0258:099:2228:21
9:08
#24105
15K
9.32 mi12:49:051:26:129:1528:03
9:02
#23720
20K
12.43 mi13:17:101:54:179:1228:05
9:03
#23346
HALF
13.11 mi13:23:162:00:239:116:06
8:57
#23306
25K
15.53 mi13:45:402:22:479:1222:24
9:15
#23067
30K
18.64 mi14:14:312:51:389:1328:51
9:18
#22660
20M
20.00 mi14:27:153:04:229:1412:44
9:23
#22481
21M
21.00 mi14:37:073:14:149:159:52
9:52
#22345
35K
21.75 mi14:43:563:21:039:156:49
9:07
#22265
23M
23.00 mi14:56:063:33:139:1712:10
9:44
#22184
24M
24.00 mi15:05:563:43:039:189:50
9:50
#22198
40K
24.85 mi15:14:533:52:009:218:57
10:29
#22255
25.2M
25.20 mi15:20:243:57:319:265:31
16:00
#22477
FINISH
26.22 mi15:29:474:06:549:269:23
9:13
#22431
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 mi24768100571005722845(Top 79%)9058(Top 72%)9058(Top 158%)
10K6.21 mi3.10 mi24105+6639706+3519706+35123333(Top 80%)9317(Top 74%)9317(Top 163%)
15K9.32 mi3.11 mi23720+3859514+1929514+19222845(Top 79%)9058(Top 72%)9058(Top 158%)
20K12.43 mi3.11 mi23346+3749331+1839331+18322107(Top 76%)8717(Top 69%)8717(Top 153%)
HALF13.11 mi0.68 mi23306+409323+89323+822569(Top 78%)8946(Top 71%)8946(Top 157%)
25K15.53 mi2.42 mi23067+2399197+1269197+12622176(Top 76%)8770(Top 70%)8770(Top 153%)
30K18.64 mi3.11 mi22660+4079029+1689029+16820893(Top 72%)8204(Top 65%)8204(Top 144%)
20M20.00 mi1.36 mi22481+1798947+828947+8220601(Top 71%)8147(Top 65%)8147(Top 143%)
21M21.00 mi1.00 mi22345+1368887+608887+6020011(Top 69%)7875(Top 63%)7875(Top 138%)
35K21.75 mi0.75 mi22265+808863+248863+2420503(Top 71%)8209(Top 65%)8209(Top 144%)
23M23.00 mi1.25 mi22184+818836+278836+2721326(Top 73%)8646(Top 69%)8646(Top 151%)
24M24.00 mi1.00 mi22198-148861-258861-2522347(Top 77%)9207(Top 73%)9207(Top 161%)
40K24.85 mi0.85 mi22255-578898-378898-3723131(Top 80%)9690(Top 77%)9690(Top 170%)
25.2M25.20 mi0.35 mi22477-2229033-1359033-13528453(Top 98%)12363(Top 98%)12363(Top 216%)
FINISH26.22 mi1.02 mi22431+469018+159018+1521350(Top 74%)8750(Top 70%)8750(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22845

Females

9058

F18-39

9058

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23333

Females

9317

F18-39

9317

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22845

Females

9058

F18-39

9058

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22107

Females

8717

F18-39

8717

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22569

Females

8946

F18-39

8946

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22176

Females

8770

F18-39

8770

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20893

Females

8204

F18-39

8204

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20601

Females

8147

F18-39

8147

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

20011

Females

7875

F18-39

7875

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20503

Females

8209

F18-39

8209

35K→23M

21.8 - 23.0 mi

Top 73%
×5
+23ft-63ft

Overall

21326

Females

8646

F18-39

8646

23M→24M

23.0 - 24.0 mi

Top 77%
×6
+12ft-82ft

Overall

22347

Females

9207

F18-39

9207

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23131

Females

9690

F18-39

9690

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1
+13ft-16ft

Overall

28453

Females

12363

F18-39

12363

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
×2
+22ft-21ft

Overall

21350

Females

8750

F18-39

8750

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2927*
Passed By
566
Net Change
+2337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24768
5K → 10K696*33+663#24768#24105
10K → 15K413*28+385#24105#23720
15K → 20K388*14+374#23720#23346
20K → HALF5313+40#23346#23306
HALF → 25K267*28+239#23306#23067
25K → 30K414*7+407#23067#22660
30K → 20M1867+179#22660#22481
20M → 21M16024+136#22481#22345
21M → 35K9010+80#22345#22265
35K → 23M12039+81#22265#22184
23M → 24M4256-14#22184#22198
24M → 40K3289-57#22198#22255
40K → 25.2M2200-222#22255#22477
25.2M → FINISH6418+46#22477#22431
TOTALS2927*566+2337

* 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