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BOSTON MARATHON 2025

Heather Pearce

Bib: 19340•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F45-49)
#0 / 1813
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:14
Rank: #14819
Start → 5K
24:14 | 7:48/mi
10K· 6.21 mi
48:20
Rank: #14576 (+243)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:12:27
Rank: #14403 (+173)
10K → 15K
24:07 | 7:46/mi
20K· 12.43 mi
1:36:33
Rank: #13988 (+415)
15K → 20K
24:06 | 7:45/mi
Half· 13.11 mi
1:41:47
Rank: #13953 (+35)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:00:45
Rank: #13649 (+304)
Half → 25K
18:58 | 7:49/mi
30K· 18.64 mi
2:26:15
Rank: #13451 (+198)
25K → 30K
25:30 | 8:12/mi
20M
2:37:37
Rank: #13382 (+69)
30K → 20M
11:22 | 8:22/mi
21M
2:46:35
Rank: #13338 (+44)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:52:48
Rank: #13381 (-43)
21M → 35K
6:13 | 8:19/mi
23M
3:03:06
Rank: #13230 (+151)
35K → 23M
10:18 | 8:14/mi
24M
3:11:32
Rank: #13248 (-18)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:18:55
Rank: #13289 (-41)
24M → 40K
7:23 | 8:38/mi
25.2M
3:22:06
Rank: #13270 (+19)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:30:25
Rank: #13318 (-48)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:47
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:48:38
Pace8:17 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4424:147:4824:14
7:48
-
10K
6.21 mi11:39:5048:207:4724:06
7:45
-0:03
15K
9.32 mi12:03:571:12:277:4624:07
7:46
+0:01
20K
12.43 mi12:28:031:36:337:4624:06
7:45
-0:01
Half
13.11 mi12:33:171:41:477:465:14
7:40
-0:05
25K
15.53 mi12:52:152:00:457:4618:58
7:49
+0:09
30K
18.64 mi13:17:452:26:157:5125:30
8:12
+0:23
20M
20.00 mi13:29:072:37:377:5311:22
8:22
+0:10
21M
21.00 mi13:38:052:46:357:568:58
8:58
+0:36
35K
21.75 mi13:44:182:52:487:576:13
8:19
-0:39
23M
23.00 mi13:54:363:03:067:5810:18
8:14
-0:05
24M
24.00 mi14:03:023:11:327:598:26
8:26
+0:12
40K
24.85 mi14:10:253:18:558:007:23
8:38
+0:12
25.2M
25.20 mi14:13:363:22:068:013:11
9:14
+0:36
Finish
26.22 mi14:21:553:30:258:028:19
8:10
-1:04

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

7:40 /mi

Average Pace

8:02 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:45

57% of race

Time at Steady Pace

1:01:42

29% of race

Time at Slower Pace

27:58

13% of race

Average Pace: 8:02 /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 mi11:15:4424:147:4824:14
7:48
#14819
10K
6.21 mi11:39:5048:207:4724:06
7:45
#14576
15K
9.32 mi12:03:571:12:277:4624:07
7:46
#14403
20K
12.43 mi12:28:031:36:337:4624:06
7:45
#13988
Half
13.11 mi12:33:171:41:477:465:14
7:40
#13953
25K
15.53 mi12:52:152:00:457:4618:58
7:49
#13649
30K
18.64 mi13:17:452:26:157:5125:30
8:12
#13451
20M
20.00 mi13:29:072:37:377:5311:22
8:22
#13382
21M
21.00 mi13:38:052:46:357:568:58
8:58
#13338
35K
21.75 mi13:44:182:52:487:576:13
8:19
#13381
23M
23.00 mi13:54:363:03:067:5810:18
8:14
#13230
24M
24.00 mi14:03:023:11:327:598:26
8:26
#13248
40K
24.85 mi14:10:253:18:558:007:23
8:38
#13289
25.2M
25.20 mi14:13:363:22:068:013:11
9:14
#13270
Finish
26.22 mi14:21:553:30:258:028:19
8:10
#13318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi148194416441614056(Top 49%)4048(Top 33%)4048(Top 223%)
10K6.21 mi3.10 mi14576+2434281+1354281+13514417(Top 51%)4199(Top 34%)4199(Top 232%)
15K9.32 mi3.11 mi14403+1734203+784203+7814056(Top 49%)4048(Top 33%)4048(Top 223%)
20K12.43 mi3.11 mi13988+4153996+2073996+20712935(Top 46%)3514(Top 29%)3514(Top 194%)
Half13.11 mi0.68 mi13953+353980+163980+1613232(Top 47%)3632(Top 30%)3632(Top 200%)
25K15.53 mi2.42 mi13649+3043845+1353845+13512558(Top 44%)3434(Top 28%)3434(Top 189%)
30K18.64 mi3.11 mi13451+1983787+583787+5812899(Top 45%)3777(Top 31%)3777(Top 208%)
20M20.00 mi1.36 mi13382+693795-83795-812944(Top 46%)3942(Top 32%)3942(Top 217%)
21M21.00 mi1.00 mi13338+443796-13796-113325(Top 47%)4278(Top 35%)4278(Top 236%)
35K21.75 mi0.75 mi13381-433844-483844-4814316(Top 50%)4847(Top 40%)4847(Top 267%)
23M23.00 mi1.25 mi13230+1513799+453799+4511559(Top 41%)3514(Top 29%)3514(Top 194%)
24M24.00 mi1.00 mi13248-183836-373836-3714109(Top 50%)4875(Top 40%)4875(Top 269%)
40K24.85 mi0.85 mi13289-413890-543890-5414280(Top 50%)5109(Top 42%)5109(Top 282%)
25.2M25.20 mi0.35 mi13270+193894-43894-413137(Top 46%)4556(Top 37%)4556(Top 251%)
Finish26.22 mi1.02 mi13318-483930-363930-3614026(Top 49%)4957(Top 41%)4957(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

14056

Females

4048

F45-49

4048

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14417

Females

4199

F45-49

4199

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

14056

Females

4048

F45-49

4048

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12935

Females

3514

F45-49

3514

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13232

Females

3632

F45-49

3632

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12558

Females

3434

F45-49

3434

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12899

Females

3777

F45-49

3777

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12944

Females

3942

F45-49

3942

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13325

Females

4278

F45-49

4278

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14316

Females

4847

F45-49

4847

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11559

Females

3514

F45-49

3514

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14109

Females

4875

F45-49

4875

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14280

Females

5109

F45-49

5109

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13137

Females

4556

F45-49

4556

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

14026

Females

4957

F45-49

4957

Passing Analysis

Category:
Athletes Passed
2605
Passed By
1104
Net Change
+1501
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14819
5K → 10K437194+243#14819#14576
10K → 15K279106+173#14576#14403
15K → 20K44631+415#14403#13988
20K → Half5924+35#13988#13953
Half → 25K34036+304#13953#13649
25K → 30K326128+198#13649#13451
30K → 20M15485+69#13451#13382
20M → 21M11773+44#13382#13338
21M → 35K4891-43#13338#13381
35K → 23M17625+151#13381#13230
23M → 24M7492-18#13230#13248
24M → 40K64105-41#13248#13289
40K → 25.2M4122+19#13289#13270
25.2M → Finish4492-48#13270#13318
TOTALS26051104+1501
📊

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