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BOSTON MARATHON 2025

Heidi Roberts

Bib: 12841•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Female)
#0 / 12228
Top 3%
Masters (Masters Women)
#0 / 6759
Top 0.7%
Division (F45-49)
#0 / 1813
Top 0.8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:06
Rank: #6260
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
42:07
Rank: #6089 (+171)
5K → 10K
21:01 | 6:46/mi
15K· 9.32 mi
1:03:02
Rank: #5853 (+236)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:24:04
Rank: #5624 (+229)
15K → 20K
21:02 | 6:46/mi
Half· 13.11 mi
1:28:41
Rank: #5633 (-9)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:12
Rank: #5489 (+144)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:06:41
Rank: #5117 (+372)
25K → 30K
21:29 | 6:55/mi
20M
2:16:08
Rank: #4982 (+135)
30K → 20M
9:27 | 6:57/mi
21M
2:23:21
Rank: #4826 (+156)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:28:20
Rank: #4716 (+110)
21M → 35K
4:59 | 6:40/mi
23M
2:37:38
Rank: #4826 (-110)
35K → 23M
9:18 | 7:26/mi
24M
2:44:14
Rank: #4659 (+167)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:50:01
Rank: #4546 (+113)
24M → 40K
5:47 | 6:46/mi
25.2M
2:52:35
Rank: #4521 (+25)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:59:20
Rank: #4469 (+52)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:30:39
Pace6:55 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0021:066:4721:06
6:47
-
10K
6.21 mi11:10:0142:076:4721:01
6:46
-0:01
15K
9.32 mi11:30:561:03:026:4620:55
6:44
-0:02
20K
12.43 mi11:51:581:24:046:4621:02
6:46
+0:02
Half
13.11 mi11:56:351:28:416:464:37
6:46
0:00
25K
15.53 mi12:13:061:45:126:4616:31
6:49
+0:03
30K
18.64 mi12:34:352:06:416:4821:29
6:55
+0:06
20M
20.00 mi12:44:022:16:086:489:27
6:57
+0:02
21M
21.00 mi12:51:152:23:216:507:13
7:13
+0:16
35K
21.75 mi12:56:142:28:206:494:59
6:40
-0:33
23M
23.00 mi13:05:322:37:386:519:18
7:26
+0:46
24M
24.00 mi13:12:082:44:146:516:36
6:36
-0:50
40K
24.85 mi13:17:552:50:016:505:47
6:46
+0:10
25.2M
25.20 mi13:20:292:52:356:512:34
7:27
+0:41
Finish
26.22 mi13:27:142:59:206:516:45
6:37
-0:50

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

6:36 /mi

Average Pace

6:51 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:28

93% of race

Time at Steady Pace

11:52

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:49:0021:066:4721:06
6:47
#6260
10K
6.21 mi11:10:0142:076:4721:01
6:46
#6089
15K
9.32 mi11:30:561:03:026:4620:55
6:44
#5853
20K
12.43 mi11:51:581:24:046:4621:02
6:46
#5624
Half
13.11 mi11:56:351:28:416:464:37
6:46
#5633
25K
15.53 mi12:13:061:45:126:4616:31
6:49
#5489
30K
18.64 mi12:34:352:06:416:4821:29
6:55
#5117
20M
20.00 mi12:44:022:16:086:489:27
6:57
#4982
21M
21.00 mi12:51:152:23:216:507:13
7:13
#4826
35K
21.75 mi12:56:142:28:206:494:59
6:40
#4716
23M
23.00 mi13:05:322:37:386:519:18
7:26
#4826
24M
24.00 mi13:12:082:44:146:516:36
6:36
#4659
40K
24.85 mi13:17:552:50:016:505:47
6:46
#4546
25.2M
25.20 mi13:20:292:52:356:512:34
7:27
#4521
Finish
26.22 mi13:27:142:59:206:516:45
6:37
#4469
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi62605205205404(Top 19%)416(Top 3%)416(Top 23%)
10K6.21 mi3.10 mi6089+171493+27493+276019(Top 21%)503(Top 4%)503(Top 28%)
15K9.32 mi3.11 mi5853+236467+26467+265404(Top 19%)416(Top 3%)416(Top 23%)
20K12.43 mi3.11 mi5624+229444+23444+235029(Top 18%)379(Top 3%)379(Top 21%)
Half13.11 mi0.68 mi5633-9445-1445-15910(Top 21%)508(Top 4%)508(Top 28%)
25K15.53 mi2.42 mi5489+144432+13432+134987(Top 18%)394(Top 3%)394(Top 22%)
30K18.64 mi3.11 mi5117+372394+38394+384191(Top 15%)331(Top 3%)331(Top 18%)
20M20.00 mi1.36 mi4982+135379+15379+153860(Top 14%)303(Top 2%)303(Top 17%)
21M21.00 mi1.00 mi4826+156357+22357+223238(Top 11%)248(Top 2%)248(Top 14%)
35K21.75 mi0.75 mi4716+110350+7350+73335(Top 12%)282(Top 2%)282(Top 16%)
23M23.00 mi1.25 mi4826-110376-26376-266213(Top 22%)1092(Top 9%)1092(Top 60%)
24M24.00 mi1.00 mi4659+167362+14362+142521(Top 9%)190(Top 2%)190(Top 10%)
40K24.85 mi0.85 mi4546+113358+4358+42716(Top 10%)240(Top 2%)240(Top 13%)
25.2M25.20 mi0.35 mi4521+25359-1359-13221(Top 11%)358(Top 3%)358(Top 20%)
Finish26.22 mi1.02 mi4469+52356+3356+33494(Top 12%)422(Top 3%)422(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5404

Females

416

F45-49

416

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6019

Females

503

F45-49

503

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5404

Females

416

F45-49

416

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5029

Females

379

F45-49

379

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5910

Females

508

F45-49

508

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4987

Females

394

F45-49

394

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4191

Females

331

F45-49

331

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3860

Females

303

F45-49

303

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3238

Females

248

F45-49

248

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3335

Females

282

F45-49

282

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6213

Females

1092

F45-49

1092

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2521

Females

190

F45-49

190

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2716

Females

240

F45-49

240

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3221

Females

358

F45-49

358

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3494

Females

422

F45-49

422

Passing Analysis

Category:
Athletes Passed
2290
Passed By
499
Net Change
+1791
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6260
5K → 10K280109+171#6260#6089
10K → 15K27539+236#6089#5853
15K → 20K26031+229#5853#5624
20K → Half1524-9#5624#5633
Half → 25K19147+144#5633#5489
25K → 30K38715+372#5489#5117
30K → 20M14914+135#5117#4982
20M → 21M1659+156#4982#4826
21M → 35K1144+110#4826#4716
35K → 23M55165-110#4716#4826
23M → 24M1681+167#4826#4659
24M → 40K1207+113#4659#4546
40K → 25.2M3510+25#4546#4521
25.2M → Finish7624+52#4521#4469
TOTALS2290499+1791
📊

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