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BOSTON MARATHON 2025

Erin Heinle

Bib: 31865•F

MA

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
11:36/mi
36:02
↑ 97↓ 3451.5%
10K· 6.21 mi
11:50/mi
1:12:48
↑ 79↓ 1380.4%
15K· 9.32 mi
11:33/mi
1:48:42
↑ 67↓ 78
20K· 12.43 mi
11:45/mi
2:25:11
↑ 106↓ 860.1%
Half· 13.11 mi
11:08/mi
2:32:47
↑ 19↓ 370.5%
25K· 15.53 mi
11:53/mi
3:01:36
↑ 66↓ 880.2%
30K· 18.64 mi
12:41/mi
3:41:00
↑ 181↓ 1480.2%
20M
12:26/mi
3:57:54
↑ 64↓ 500.2%
21M
13:07/mi
4:11:01
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
4:19:35
↑ 17↓ 861.7%
23M
12:02/mi
4:34:39
↑ 23↓ 630.6%
24M
12:02/mi
4:46:41
↓ 821.3%
40K· 24.85 mi
12:02/mi
4:56:59
↓ 200.3%
25.2M
12:48/mi
5:01:24
↑ 13↓ 160.2%
Finish· 26.22 mi
11:07/mi
5:12:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:47
Pace11:39 /mi
2nd Half
Distance13.11 mi
Time2:39:57
Pace12:12 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2636:0211:3636:02
11:36
-
10K
6.21 mi12:33:121:12:4811:4336:46
11:50
+0:14
15K
9.32 mi13:09:061:48:4211:4035:54
11:33
-0:17
20K
12.43 mi13:45:352:25:1111:4136:29
11:45
+0:12
Half
13.11 mi13:53:112:32:4711:397:36
11:08
-0:37
25K
15.53 mi14:22:003:01:3611:4128:49
11:53
+0:45
30K
18.64 mi15:01:243:41:0011:5139:24
12:41
+0:48
20M
20.00 mi15:18:183:57:5411:5416:54
12:26
-0:15
21M
21.00 mi15:31:254:11:0111:5713:07
13:07
+0:41
35K
21.75 mi15:39:594:19:3511:568:34
11:27
-1:40
23M
23.00 mi15:55:034:34:3911:5615:04
12:02
+0:35
24M
24.00 mi16:07:054:46:4111:5712:02
12:02
0:00
40K
24.85 mi16:17:234:56:5911:5710:18
12:02
0:00
25.2M
25.20 mi16:21:485:01:2411:584:25
12:48
+0:46
Finish
26.22 mi16:33:085:12:4411:5611:20
11:07
-1:41

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

11:07 /mi

Average Pace

11:56 /mi

Slowest Pace

13:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:58:54

76% of race

Time at Steady Pace

1:13:50

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:56 /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 mi11:56:2636:0211:3636:02
11:36
#28075
10K
6.21 mi12:33:121:12:4811:4336:46
11:50
#27961
15K
9.32 mi13:09:061:48:4211:4035:54
11:33
#27776
20K
12.43 mi13:45:352:25:1111:4136:29
11:45
#27549
Half
13.11 mi13:53:112:32:4711:397:36
11:08
#27508
25K
15.53 mi14:22:003:01:3611:4128:49
11:53
#27305
30K
18.64 mi15:01:243:41:0011:5139:24
12:41
#27147
20M
20.00 mi15:18:183:57:5411:5416:54
12:26
#27082
21M
21.00 mi15:31:254:11:0111:5713:07
13:07
#27029
35K
21.75 mi15:39:594:19:3511:568:34
11:27
#26992
23M
23.00 mi15:55:034:34:3911:5615:04
12:02
#26917
24M
24.00 mi16:07:054:46:4111:5712:02
12:02
#26861
40K
24.85 mi16:17:234:56:5911:5710:18
12:02
#26813
25.2M
25.20 mi16:21:485:01:2411:584:25
12:48
#26786
Finish
26.22 mi16:33:085:12:4411:5611:20
11:07
#26752
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28075120061200627271(Top 96%)11532(Top 94%)11532(Top 211%)
10K6.21 mi3.10 mi27961+11411938+6811938+6827858(Top 98%)11878(Top 97%)11878(Top 217%)
15K9.32 mi3.11 mi27776+18511828+11011828+11027271(Top 96%)11532(Top 94%)11532(Top 211%)
20K12.43 mi3.11 mi27549+22711695+13311695+13326889(Top 95%)11326(Top 93%)11326(Top 207%)
Half13.11 mi0.68 mi27508+4111667+2811667+2826688(Top 94%)11231(Top 92%)11231(Top 205%)
25K15.53 mi2.42 mi27305+20311560+10711560+10726308(Top 93%)11034(Top 90%)11034(Top 202%)
30K18.64 mi3.11 mi27147+15811486+7411486+7426354(Top 93%)11151(Top 91%)11151(Top 204%)
20M20.00 mi1.36 mi27082+6511453+3311453+3325833(Top 91%)10922(Top 89%)10922(Top 200%)
21M21.00 mi1.00 mi27029+5311431+2211431+2225197(Top 89%)10668(Top 87%)10668(Top 195%)
35K21.75 mi0.75 mi26992+3711410+2111410+2125012(Top 88%)10595(Top 87%)10595(Top 194%)
23M23.00 mi1.25 mi26917+7511371+3911371+3925159(Top 89%)10684(Top 87%)10684(Top 195%)
24M24.00 mi1.00 mi26861+5611357+1411357+1425728(Top 91%)10993(Top 90%)10993(Top 201%)
40K24.85 mi0.85 mi26813+4811339+1811339+1824977(Top 88%)10663(Top 87%)10663(Top 195%)
25.2M25.20 mi0.35 mi26786+2711327+1211327+1224721(Top 87%)10539(Top 86%)10539(Top 193%)
Finish26.22 mi1.02 mi26752+3411312+1511312+1525584(Top 90%)10950(Top 90%)10950(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27271

Females

11532

F18-39

11532

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27858

Females

11878

F18-39

11878

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27271

Females

11532

F18-39

11532

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26889

Females

11326

F18-39

11326

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26688

Females

11231

F18-39

11231

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26308

Females

11034

F18-39

11034

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26354

Females

11151

F18-39

11151

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25833

Females

10922

F18-39

10922

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25197

Females

10668

F18-39

10668

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25012

Females

10595

F18-39

10595

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25159

Females

10684

F18-39

10684

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25728

Females

10993

F18-39

10993

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24977

Females

10663

F18-39

10663

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24721

Females

10539

F18-39

10539

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25584

Females

10950

F18-39

10950

Passing Analysis

Category:
Athletes Passed
1429
Passed By
106
Net Change
+1323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28075
5K → 10K14531+114#28075#27961
10K → 15K1894+185#27961#27776
15K → 20K2347+227#27776#27549
20K → Half432+41#27549#27508
Half → 25K2074+203#27508#27305
25K → 30K17921+158#27305#27147
30K → 20M705+65#27147#27082
20M → 21M629+53#27082#27029
21M → 35K403+37#27029#26992
35K → 23M794+75#26992#26917
23M → 24M6711+56#26917#26861
24M → 40K491+48#26861#26813
40K → 25.2M281+27#26813#26786
25.2M → Finish373+34#26786#26752
TOTALS1429106+1323
📊

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