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BOSTON MARATHON 2025

Nichola Harris

Bib: 31079•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:40
Rank: #26044
Start → 5K
31:40 | 10:12/mi
10K· 6.21 mi
1:03:45
Rank: #26024 (+20)
5K → 10K
32:05 | 10:20/mi
15K· 9.32 mi
1:36:01
Rank: #25917 (+107)
10K → 15K
32:16 | 10:23/mi
20K· 12.43 mi
2:08:46
Rank: #25715 (+202)
15K → 20K
32:45 | 10:32/mi
Half· 13.11 mi
2:15:45
Rank: #25701 (+14)
20K → Half
6:59 | 10:14/mi
25K· 15.53 mi
2:42:11
Rank: #25596 (+105)
Half → 25K
26:26 | 10:54/mi
30K· 18.64 mi
3:18:00
Rank: #25453 (+143)
25K → 30K
35:49 | 11:32/mi
20M
3:33:48
Rank: #25403 (+50)
30K → 20M
15:48 | 11:38/mi
21M
3:46:59
Rank: #25419 (-16)
20M → 21M
13:11 | 13:11/mi
35K· 21.75 mi
3:55:09
Rank: #25363 (+56)
21M → 35K
8:10 | 10:55/mi
23M
4:09:58
Rank: #25344 (+19)
35K → 23M
14:49 | 11:50/mi
24M
4:21:33
Rank: #25320 (+24)
23M → 24M
11:35 | 11:35/mi
40K· 24.85 mi
4:32:25
Rank: #25359 (-39)
24M → 40K
10:52 | 12:43/mi
25.2M
4:37:14
Rank: #25385 (-26)
40K → 25.2M
4:49 | 13:58/mi
Finish· 26.22 mi
4:49:12
Rank: #25449 (-64)
25.2M → Finish
11:58 | 11:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:45
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:33:27
Pace11:42 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2631:4010:1231:40
10:12
-
10K
6.21 mi12:24:311:03:4510:1632:05
10:20
+0:08
15K
9.32 mi12:56:471:36:0110:1832:16
10:23
+0:03
20K
12.43 mi13:29:322:08:4610:2232:45
10:32
+0:09
Half
13.11 mi13:36:312:15:4510:216:59
10:14
-0:18
25K
15.53 mi14:02:572:42:1110:2626:26
10:54
+0:40
30K
18.64 mi14:38:463:18:0010:3735:49
11:32
+0:38
20M
20.00 mi14:54:343:33:4810:4115:48
11:38
+0:06
21M
21.00 mi15:07:453:46:5910:4913:11
13:11
+1:33
35K
21.75 mi15:15:553:55:0910:498:10
10:55
-2:16
23M
23.00 mi15:30:444:09:5810:5214:49
11:50
+0:55
24M
24.00 mi15:42:194:21:3310:5411:35
11:35
-0:15
40K
24.85 mi15:53:114:32:2510:5810:52
12:43
+1:08
25.2M
25.20 mi15:58:004:37:1411:004:49
13:58
+1:15
Finish
26.22 mi16:09:584:49:1211:0211:58
11:45
-2:13

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

10:12 /mi

Average Pace

11:02 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:21

59% of race

Time at Steady Pace

1:29:59

31% of race

Time at Slower Pace

28:52

10% of race

Average Pace: 11:02 /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 mi11:52:2631:4010:1231:40
10:12
#26044
10K
6.21 mi12:24:311:03:4510:1632:05
10:20
#26024
15K
9.32 mi12:56:471:36:0110:1832:16
10:23
#25917
20K
12.43 mi13:29:322:08:4610:2232:45
10:32
#25715
Half
13.11 mi13:36:312:15:4510:216:59
10:14
#25701
25K
15.53 mi14:02:572:42:1110:2626:26
10:54
#25596
30K
18.64 mi14:38:463:18:0010:3735:49
11:32
#25453
20M
20.00 mi14:54:343:33:4810:4115:48
11:38
#25403
21M
21.00 mi15:07:453:46:5910:4913:11
13:11
#25419
35K
21.75 mi15:15:553:55:0910:498:10
10:55
#25363
23M
23.00 mi15:30:444:09:5810:5214:49
11:50
#25344
24M
24.00 mi15:42:194:21:3310:5411:35
11:35
#25320
40K
24.85 mi15:53:114:32:2510:5810:52
12:43
#25359
25.2M
25.20 mi15:58:004:37:1411:004:49
13:58
#25385
Finish
26.22 mi16:09:584:49:1211:0211:58
11:45
#25449
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26044107851078525736(Top 91%)10639(Top 87%)10639(Top 1070%)
10K6.21 mi3.10 mi26024+2010794-910794-925959(Top 91%)10767(Top 88%)10767(Top 1083%)
15K9.32 mi3.11 mi25917+10710731+6310731+6325736(Top 91%)10639(Top 87%)10639(Top 1070%)
20K12.43 mi3.11 mi25715+20210625+10610625+10625255(Top 89%)10409(Top 85%)10409(Top 1047%)
Half13.11 mi0.68 mi25701+1410616+910616+925297(Top 89%)10434(Top 85%)10434(Top 1050%)
25K15.53 mi2.42 mi25596+10510570+4610570+4625059(Top 88%)10325(Top 84%)10325(Top 1039%)
30K18.64 mi3.11 mi25453+14310534+3610534+3624882(Top 88%)10344(Top 85%)10344(Top 1041%)
20M20.00 mi1.36 mi25403+5010517+1710517+1724741(Top 87%)10336(Top 85%)10336(Top 1040%)
21M21.00 mi1.00 mi25419-1610546-2910546-2925280(Top 89%)10709(Top 88%)10709(Top 1077%)
35K21.75 mi0.75 mi25363+5610525+2110525+2124015(Top 85%)10072(Top 82%)10072(Top 1013%)
23M23.00 mi1.25 mi25344+1910524+110524+124818(Top 87%)10504(Top 86%)10504(Top 1057%)
24M24.00 mi1.00 mi25320+2410514+1010514+1025016(Top 88%)10640(Top 87%)10640(Top 1070%)
40K24.85 mi0.85 mi25359-3910542-2810542-2825937(Top 91%)11117(Top 91%)11117(Top 1118%)
25.2M25.20 mi0.35 mi25385-2610562-2010562-2026221(Top 92%)11297(Top 92%)11297(Top 1137%)
Finish26.22 mi1.02 mi25449-6410605-4310605-4326461(Top 93%)11367(Top 93%)11367(Top 1144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25736

Females

10639

F55-59

10639

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25959

Females

10767

F55-59

10767

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25736

Females

10639

F55-59

10639

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25255

Females

10409

F55-59

10409

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25297

Females

10434

F55-59

10434

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

25059

Females

10325

F55-59

10325

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

24882

Females

10344

F55-59

10344

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24741

Females

10336

F55-59

10336

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25280

Females

10709

F55-59

10709

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24015

Females

10072

F55-59

10072

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24818

Females

10504

F55-59

10504

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25016

Females

10640

F55-59

10640

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25937

Females

11117

F55-59

11117

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26221

Females

11297

F55-59

11297

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26461

Females

11367

F55-59

11367

Passing Analysis

Category:
Athletes Passed
1301
Passed By
706
Net Change
+595
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26044
5K → 10K183163+20#26044#26024
10K → 15K18174+107#26024#25917
15K → 20K23331+202#25917#25715
20K → Half239+14#25715#25701
Half → 25K15752+105#25701#25596
25K → 30K19552+143#25596#25453
30K → 20M8333+50#25453#25403
20M → 21M4460-16#25403#25419
21M → 35K615+56#25419#25363
35K → 23M5031+19#25363#25344
23M → 24M5228+24#25344#25320
24M → 40K1655-39#25320#25359
40K → 25.2M733-26#25359#25385
25.2M → Finish1680-64#25385#25449
TOTALS1301706+595
📊

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