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BOSTON MARATHON 2025

Erin Haslam

Bib: 14698•F

NM

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #14716
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:32
Rank: #14880 (-164)
5K → 10K
24:20 | 7:50/mi
15K· 9.32 mi
1:12:51
Rank: #14780 (+100)
10K → 15K
24:19 | 7:50/mi
20K· 12.43 mi
1:36:35
Rank: #14014 (+766)
15K → 20K
23:44 | 7:38/mi
Half· 13.11 mi
1:41:43
Rank: #13891 (+123)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
2:00:29
Rank: #13493 (+398)
Half → 25K
18:46 | 7:44/mi
30K· 18.64 mi
2:25:29
Rank: #13128 (+365)
25K → 30K
25:00 | 8:03/mi
20M
2:36:17
Rank: #12856 (+272)
30K → 20M
10:48 | 7:57/mi
21M
2:44:37
Rank: #12614 (+242)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:50:19
Rank: #12472 (+142)
21M → 35K
5:42 | 7:37/mi
23M
3:00:17
Rank: #12273 (+199)
35K → 23M
9:58 | 7:58/mi
24M
3:08:00
Rank: #12108 (+165)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
3:14:46
Rank: #11985 (+123)
24M → 40K
6:46 | 7:55/mi
25.2M
3:17:43
Rank: #11927 (+58)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:25:25
Rank: #11808 (+119)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:43
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4724:127:4724:12
7:47
-
10K
6.21 mi11:19:0748:327:4924:20
7:50
+0:03
15K
9.32 mi11:43:261:12:517:4924:19
7:50
0:00
20K
12.43 mi12:07:101:36:357:4623:44
7:38
-0:12
Half
13.11 mi12:12:181:41:437:465:08
7:31
-0:07
25K
15.53 mi12:31:042:00:297:4518:46
7:44
+0:13
30K
18.64 mi12:56:042:25:297:4825:00
8:03
+0:19
20M
20.00 mi13:06:522:36:177:4910:48
7:57
-0:06
21M
21.00 mi13:15:122:44:377:508:20
8:20
+0:23
35K
21.75 mi13:20:542:50:197:505:42
7:37
-0:43
23M
23.00 mi13:30:523:00:177:509:58
7:58
+0:21
24M
24.00 mi13:38:353:08:007:507:43
7:43
-0:15
40K
24.85 mi13:45:213:14:467:506:46
7:55
+0:12
25.2M
25.20 mi13:48:183:17:437:512:57
8:33
+0:38
Finish
26.22 mi13:56:003:25:257:507:42
7:33
-1:00

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

7:31 /mi

Average Pace

7:50 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:08

95% of race

Time at Steady Pace

11:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi10:54:4724:127:4724:12
7:47
#14716
10K
6.21 mi11:19:0748:327:4924:20
7:50
#14880
15K
9.32 mi11:43:261:12:517:4924:19
7:50
#14780
20K
12.43 mi12:07:101:36:357:4623:44
7:38
#14014
Half
13.11 mi12:12:181:41:437:465:08
7:31
#13891
25K
15.53 mi12:31:042:00:297:4518:46
7:44
#13493
30K
18.64 mi12:56:042:25:297:4825:00
8:03
#13128
20M
20.00 mi13:06:522:36:177:4910:48
7:57
#12856
21M
21.00 mi13:15:122:44:377:508:20
8:20
#12614
35K
21.75 mi13:20:542:50:197:505:42
7:37
#12472
23M
23.00 mi13:30:523:00:177:509:58
7:58
#12273
24M
24.00 mi13:38:353:08:007:507:43
7:43
#12108
40K
24.85 mi13:45:213:14:467:506:46
7:55
#11985
25.2M
25.20 mi13:48:183:17:437:512:57
8:33
#11927
Finish
26.22 mi13:56:003:25:257:507:42
7:33
#11808
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147164353435314609(Top 51%)4360(Top 36%)4360(Top 80%)
10K6.21 mi3.10 mi14880-1644478-1254478-12515112(Top 53%)4600(Top 38%)4600(Top 84%)
15K9.32 mi3.11 mi14780+1004418+604418+6014609(Top 51%)4360(Top 36%)4360(Top 80%)
20K12.43 mi3.11 mi14014+7664009+4094009+40911886(Top 42%)2943(Top 24%)2943(Top 54%)
Half13.11 mi0.68 mi13891+1233948+613948+6112002(Top 42%)2952(Top 24%)2952(Top 54%)
25K15.53 mi2.42 mi13493+3983770+1783770+17811890(Top 42%)3065(Top 25%)3065(Top 56%)
30K18.64 mi3.11 mi13128+3653628+1423628+14211729(Top 41%)3153(Top 26%)3153(Top 58%)
20M20.00 mi1.36 mi12856+2723503+1253503+12510123(Top 36%)2498(Top 20%)2498(Top 46%)
21M21.00 mi1.00 mi12614+2423395+1083395+1089471(Top 33%)2367(Top 19%)2367(Top 43%)
35K21.75 mi0.75 mi12472+1423349+463349+469538(Top 34%)2393(Top 20%)2393(Top 44%)
23M23.00 mi1.25 mi12273+1993283+663283+669777(Top 34%)2633(Top 22%)2633(Top 48%)
24M24.00 mi1.00 mi12108+1653227+563227+569263(Top 33%)2461(Top 20%)2461(Top 45%)
40K24.85 mi0.85 mi11985+1233209+183209+189612(Top 34%)2737(Top 22%)2737(Top 50%)
25.2M25.20 mi0.35 mi11927+583187+223187+229210(Top 32%)2647(Top 22%)2647(Top 48%)
Finish26.22 mi1.02 mi11808+1193161+263161+269640(Top 34%)2834(Top 23%)2834(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14609

Females

4360

F18-39

4360

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

15112

Females

4600

F18-39

4600

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14609

Females

4360

F18-39

4360

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11886

Females

2943

F18-39

2943

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

12002

Females

2952

F18-39

2952

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11890

Females

3065

F18-39

3065

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11729

Females

3153

F18-39

3153

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10123

Females

2498

F18-39

2498

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9471

Females

2367

F18-39

2367

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9538

Females

2393

F18-39

2393

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9777

Females

2633

F18-39

2633

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9263

Females

2461

F18-39

2461

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9612

Females

2737

F18-39

2737

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9210

Females

2647

F18-39

2647

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9640

Females

2834

F18-39

2834

Passing Analysis

Category:
Athletes Passed
3652
Passed By
744
Net Change
+2908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14716
5K → 10K216380-164#14716#14880
10K → 15K249149+100#14880#14780
15K → 20K7671+766#14780#14014
20K → Half1274+123#14014#13891
Half → 25K41820+398#13891#13493
25K → 30K45287+365#13493#13128
30K → 20M28210+272#13128#12856
20M → 21M25412+242#12856#12614
21M → 35K1497+142#12614#12472
35K → 23M21213+199#12472#12273
23M → 24M17510+165#12273#12108
24M → 40K14623+123#12108#11985
40K → 25.2M646+58#11985#11927
25.2M → Finish14122+119#11927#11808
TOTALS3652744+2908
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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