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BOSTON MARATHON 2025

Elisa Saint-Denis

Bib: 31840•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:42/mi
30:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:37/mi
1:00:02
↑ 79↓ 1380.4%
15K· 9.32 mi
9:33/mi
1:29:42
↑ 67↓ 78
20K· 12.43 mi
9:44/mi
1:59:57
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:06:36
↑ 19↓ 370.5%
25K· 15.53 mi
10:15/mi
2:31:28
↑ 66↓ 880.2%
30K· 18.64 mi
10:58/mi
3:05:33
↑ 181↓ 1480.2%
20M
10:53/mi
3:20:21
↑ 64↓ 500.2%
21M
12:12/mi
3:32:33
↑ 106↓ 241.6%
35K· 21.75 mi
10:48/mi
3:40:38
↑ 17↓ 861.7%
23M
11:07/mi
3:54:33
↑ 23↓ 630.6%
24M
10:21/mi
4:04:54
↓ 821.3%
40K· 24.85 mi
10:44/mi
4:14:05
↓ 200.3%
25.2M
12:05/mi
4:18:15
↑ 13↓ 160.2%
Finish· 26.22 mi
10:00/mi
4:28:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:36
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:21:50
Pace10:49 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2230:099:4230:09
9:42
-
10K
6.21 mi12:24:151:00:029:4029:53
9:37
-0:05
15K
9.32 mi12:53:551:29:429:3729:40
9:33
-0:04
20K
12.43 mi13:24:101:59:579:3930:15
9:44
+0:11
Half
13.11 mi13:30:492:06:369:396:39
9:45
+0:01
25K
15.53 mi13:55:412:31:289:4524:52
10:15
+0:30
30K
18.64 mi14:29:463:05:339:5734:05
10:58
+0:43
20M
20.00 mi14:44:343:20:2110:0114:48
10:53
-0:05
21M
21.00 mi14:56:463:32:3310:0712:12
12:12
+1:19
35K
21.75 mi15:04:513:40:3810:098:05
10:48
-1:24
23M
23.00 mi15:18:463:54:3310:1213:55
11:07
+0:19
24M
24.00 mi15:29:074:04:5410:1210:21
10:21
-0:46
40K
24.85 mi15:38:184:14:0510:139:11
10:44
+0:23
25.2M
25.20 mi15:42:284:18:1510:154:10
12:05
+1:21
Finish
26.22 mi15:52:394:28:2610:1510:11
10:00
-2:05

Checkpoints & Pacing

📈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

9:33 /mi

Average Pace

10:15 /mi

Slowest Pace

12:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:36

47% of race

Time at Steady Pace

54:35

20% of race

Time at Slower Pace

1:27:15

33% of race

Average Pace: 10:14 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:54:2230:099:4230:09
9:42
#24860
10K
6.21 mi12:24:151:00:029:4029:53
9:37
#24640
15K
9.32 mi12:53:551:29:429:3729:40
9:33
#24377
20K
12.43 mi13:24:101:59:579:3930:15
9:44
#24170
Half
13.11 mi13:30:492:06:369:396:39
9:45
#24180
25K
15.53 mi13:55:412:31:289:4524:52
10:15
#24100
30K
18.64 mi14:29:463:05:339:5734:05
10:58
#24116
20M
20.00 mi14:44:343:20:2110:0114:48
10:53
#24043
21M
21.00 mi14:56:463:32:3310:0712:12
12:12
#24055
35K
21.75 mi15:04:513:40:3810:098:05
10:48
#24043
23M
23.00 mi15:18:463:54:3310:1213:55
11:07
#23994
24M
24.00 mi15:29:074:04:5410:1210:21
10:21
#23927
40K
24.85 mi15:38:184:14:0510:139:11
10:44
#23873
25.2M
25.20 mi15:42:284:18:1510:154:10
12:05
#23877
Finish
26.22 mi15:52:394:28:2610:1510:11
10:00
#23860
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24860101391013923878(Top 84%)9590(Top 78%)9590(Top 175%)
10K6.21 mi3.10 mi24640+22010029+11010029+11024416(Top 86%)9923(Top 81%)9923(Top 181%)
15K9.32 mi3.11 mi24377+2639892+1379892+13723878(Top 84%)9590(Top 78%)9590(Top 175%)
20K12.43 mi3.11 mi24170+2079787+1059787+10523601(Top 83%)9482(Top 78%)9482(Top 173%)
Half13.11 mi0.68 mi24180-109797-109797-1024264(Top 85%)9853(Top 81%)9853(Top 180%)
25K15.53 mi2.42 mi24100+809760+379760+3723852(Top 84%)9664(Top 79%)9664(Top 177%)
30K18.64 mi3.11 mi24116-169790-309790-3023958(Top 84%)9845(Top 81%)9845(Top 180%)
20M20.00 mi1.36 mi24043+739778+129778+1223383(Top 82%)9618(Top 79%)9618(Top 176%)
21M21.00 mi1.00 mi24055-129797-199797-1923938(Top 84%)9998(Top 82%)9998(Top 183%)
35K21.75 mi0.75 mi24043+129803-69803-623830(Top 84%)9961(Top 81%)9961(Top 182%)
23M23.00 mi1.25 mi23994+499794+99794+923497(Top 83%)9845(Top 81%)9845(Top 180%)
24M24.00 mi1.00 mi23927+679768+269768+2622419(Top 79%)9355(Top 77%)9355(Top 171%)
40K24.85 mi0.85 mi23873+549752+169752+1622564(Top 79%)9487(Top 78%)9487(Top 173%)
25.2M25.20 mi0.35 mi23877-49763-119763-1123434(Top 83%)9880(Top 81%)9880(Top 181%)
Finish26.22 mi1.02 mi23860+179763976322937(Top 81%)9638(Top 79%)9638(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23878

Females

9590

F18-39

9590

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24416

Females

9923

F18-39

9923

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23878

Females

9590

F18-39

9590

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23601

Females

9482

F18-39

9482

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24264

Females

9853

F18-39

9853

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23852

Females

9664

F18-39

9664

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23958

Females

9845

F18-39

9845

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23383

Females

9618

F18-39

9618

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23938

Females

9998

F18-39

9998

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23830

Females

9961

F18-39

9961

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23497

Females

9845

F18-39

9845

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22419

Females

9355

F18-39

9355

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22564

Females

9487

F18-39

9487

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23434

Females

9880

F18-39

9880

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22937

Females

9638

F18-39

9638

Passing Analysis

Category:
Athletes Passed
1715
Passed By
715
Net Change
+1000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24860
5K → 10K331111+220#24860#24640
10K → 15K29734+263#24640#24377
15K → 20K24942+207#24377#24170
20K → Half2131-10#24170#24180
Half → 25K15373+80#24180#24100
25K → 30K146162-16#24100#24116
30K → 20M11138+73#24116#24043
20M → 21M5365-12#24043#24055
21M → 35K4129+12#24055#24043
35K → 23M8940+49#24043#23994
23M → 24M8215+67#23994#23927
24M → 40K6814+54#23927#23873
40K → 25.2M2327-4#23873#23877
25.2M → Finish5134+17#23877#23860
TOTALS1715715+1000
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing