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BOSTON MARATHON 2025

Heather De La Barre

Bib: 8266•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

Start
0:00:00
Race begins
5K· 3.11 mi
34:06
Rank: #27544
Start → 5K
34:06 | 10:59/mi
10K· 6.21 mi
1:10:18
Rank: #27651 (-107)
5K → 10K
36:12 | 11:39/mi
15K· 9.32 mi
1:48:31
Rank: #27760 (-109)
10K → 15K
38:13 | 12:18/mi
20K· 12.43 mi
2:29:16
Rank: #27827 (-67)
15K → 20K
40:45 | 13:07/mi
Half· 13.11 mi
2:38:00
Rank: #27842 (-15)
20K → Half
8:44 | 12:48/mi
25K· 15.53 mi
3:13:13
Rank: #27912 (-70)
Half → 25K
35:13 | 14:31/mi
30K· 18.64 mi
4:05:34
Rank: #28149 (-237)
25K → 30K
52:21 | 16:51/mi
20M
4:27:23
Rank: #28183 (-34)
30K → 20M
21:49 | 16:03/mi
21M
4:45:38
Rank: #28230 (-47)
20M → 21M
18:15 | 18:15/mi
35K· 21.75 mi
4:54:41
Rank: #28194 (+36)
21M → 35K
9:03 | 12:06/mi
23M
5:14:08
Rank: #28217 (-23)
35K → 23M
19:27 | 15:32/mi
24M
5:27:05
Rank: #28177 (+40)
23M → 24M
12:57 | 12:57/mi
40K· 24.85 mi
5:38:54
Rank: #28163 (+14)
24M → 40K
11:49 | 13:49/mi
25.2M
5:44:01
Rank: #28156 (+7)
40K → 25.2M
5:07 | 14:50/mi
Finish· 26.22 mi
5:56:09
Rank: #28129 (+27)
25.2M → Finish
12:08 | 11:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:38:00
Pace12:03 /mi
2nd Half
Distance13.11 mi
Time3:18:09
Pace15:07 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5734:0610:5934:06
10:59
-
10K
6.21 mi12:03:091:10:1811:1936:12
11:39
+0:40
15K
9.32 mi12:41:221:48:3111:3938:13
12:18
+0:39
20K
12.43 mi13:22:072:29:1612:0140:45
13:07
+0:49
Half
13.11 mi13:30:512:38:0012:038:44
12:48
-0:19
25K
15.53 mi14:06:043:13:1312:2635:13
14:31
+1:43
30K
18.64 mi14:58:254:05:3413:1052:21
16:51
+2:20
20M
20.00 mi15:20:144:27:2313:2221:49
16:03
-0:48
21M
21.00 mi15:38:294:45:3813:3618:15
18:15
+2:12
35K
21.75 mi15:47:324:54:4113:339:03
12:06
-6:09
23M
23.00 mi16:06:595:14:0813:3919:27
15:32
+3:26
24M
24.00 mi16:19:565:27:0513:3812:57
12:57
-2:35
40K
24.85 mi16:31:455:38:5413:3811:49
13:49
+0:52
25.2M
25.20 mi16:36:525:44:0113:395:07
14:50
+1:01
Finish
26.22 mi16:49:005:56:0913:3612:08
11:54
-2:56

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

10:59 /mi

Average Pace

13:36 /mi

Slowest Pace

18:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:26

23% of race

Time at Steady Pace

2:01:31

34% of race

Time at Slower Pace

2:32:12

43% of race

Average Pace: 13:35 /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 mi11:26:5734:0610:5934:06
10:59
#27544
10K
6.21 mi12:03:091:10:1811:1936:12
11:39
#27651
15K
9.32 mi12:41:221:48:3111:3938:13
12:18
#27760
20K
12.43 mi13:22:072:29:1612:0140:45
13:07
#27827
Half
13.11 mi13:30:512:38:0012:038:44
12:48
#27842
25K
15.53 mi14:06:043:13:1312:2635:13
14:31
#27912
30K
18.64 mi14:58:254:05:3413:1052:21
16:51
#28149
20M
20.00 mi15:20:144:27:2313:2221:49
16:03
#28183
21M
21.00 mi15:38:294:45:3813:3618:15
18:15
#28230
35K
21.75 mi15:47:324:54:4113:339:03
12:06
#28194
23M
23.00 mi16:06:595:14:0813:3919:27
15:32
#28217
24M
24.00 mi16:19:565:27:0513:3812:57
12:57
#28177
40K
24.85 mi16:31:455:38:5413:3811:49
13:49
#28163
25.2M
25.20 mi16:36:525:44:0113:395:07
14:50
#28156
Finish
26.22 mi16:49:005:56:0913:3612:08
11:54
#28129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27544116741167427824(Top 98%)11872(Top 97%)11872(Top 217%)
10K6.21 mi3.10 mi27651-10711737-6311737-6327724(Top 98%)11793(Top 96%)11793(Top 216%)
15K9.32 mi3.11 mi27760-10911821-8411821-8427824(Top 98%)11872(Top 97%)11872(Top 217%)
20K12.43 mi3.11 mi27827-6711868-4711868-4727884(Top 98%)11923(Top 98%)11923(Top 218%)
Half13.11 mi0.68 mi27842-1511878-1011878-1027912(Top 98%)11952(Top 98%)11952(Top 219%)
25K15.53 mi2.42 mi27912-7011927-4911927-4928101(Top 99%)12073(Top 99%)12073(Top 221%)
30K18.64 mi3.11 mi28149-23712080-15312080-15328338(Top 100%)12200(Top 100%)12200(Top 223%)
20M20.00 mi1.36 mi28183-3412104-2412104-2428169(Top 99%)12135(Top 99%)12135(Top 222%)
21M21.00 mi1.00 mi28230-4712135-3112135-3128300(Top 100%)12188(Top 100%)12188(Top 223%)
35K21.75 mi0.75 mi28194+3612117+1812117+1825992(Top 92%)11100(Top 91%)11100(Top 203%)
23M23.00 mi1.25 mi28217-2312134-1712134-1728067(Top 99%)12116(Top 99%)12116(Top 222%)
24M24.00 mi1.00 mi28177+4012112+2212112+2226801(Top 94%)11536(Top 94%)11536(Top 211%)
40K24.85 mi0.85 mi28163+1412106+612106+627034(Top 95%)11661(Top 95%)11661(Top 213%)
25.2M25.20 mi0.35 mi28156+712104+212104+227000(Top 95%)11668(Top 95%)11668(Top 213%)
Finish26.22 mi1.02 mi28129+2712090+1412090+1426685(Top 94%)11468(Top 94%)11468(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

27824

Females

11872

F18-39

11872

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27724

Females

11793

F18-39

11793

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

27824

Females

11872

F18-39

11872

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27884

Females

11923

F18-39

11923

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

27912

Females

11952

F18-39

11952

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28101

Females

12073

F18-39

12073

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

28338

Females

12200

F18-39

12200

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28169

Females

12135

F18-39

12135

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

28300

Females

12188

F18-39

12188

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

25992

Females

11100

F18-39

11100

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28067

Females

12116

F18-39

12116

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26801

Females

11536

F18-39

11536

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27034

Females

11661

F18-39

11661

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

27000

Females

11668

F18-39

11668

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26685

Females

11468

F18-39

11468

Passing Analysis

Category:
Athletes Passed
324
Passed By
909
Net Change
-585
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27544
5K → 10K64171-107#27544#27651
10K → 15K51160-109#27651#27760
15K → 20K3198-67#27760#27827
20K → Half823-15#27827#27842
Half → 25K2696-70#27842#27912
25K → 30K4241-237#27912#28149
30K → 20M438-34#28149#28183
20M → 21M451-47#28183#28230
21M → 35K360+36#28230#28194
35K → 23M326-23#28194#28217
23M → 24M400+40#28217#28177
24M → 40K184+14#28177#28163
40K → 25.2M70+7#28163#28156
25.2M → Finish281+27#28156#28129
TOTALS324909-585
📊

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