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BOSTON MARATHON 2025

Jane Kirby

Bib: 19805•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F50-54)
#0 / 1303
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:07
Rank: #14491
Start → 5K
24:07 | 7:46/mi
10K· 6.21 mi
48:11
Rank: #14373 (+118)
5K → 10K
24:04 | 7:45/mi
15K· 9.32 mi
1:12:39
Rank: #14580 (-207)
10K → 15K
24:28 | 7:53/mi
20K· 12.43 mi
1:37:21
Rank: #14520 (+60)
15K → 20K
24:42 | 7:57/mi
Half· 13.11 mi
1:42:49
Rank: #14602 (-82)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:02:23
Rank: #14538 (+64)
Half → 25K
19:34 | 8:04/mi
30K· 18.64 mi
2:28:24
Rank: #14373 (+165)
25K → 30K
26:01 | 8:22/mi
20M
2:39:51
Rank: #14255 (+118)
30K → 20M
11:27 | 8:26/mi
21M
2:48:48
Rank: #14162 (+93)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:54:51
Rank: #14093 (+69)
21M → 35K
6:03 | 8:05/mi
23M
3:05:30
Rank: #14064 (+29)
35K → 23M
10:39 | 8:30/mi
24M
3:13:50
Rank: #14041 (+23)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:21:08
Rank: #13982 (+59)
24M → 40K
7:18 | 8:32/mi
25.2M
3:24:21
Rank: #13964 (+18)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:32:37
Rank: #13928 (+36)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:49
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:49:48
Pace8:23 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2924:077:4624:07
7:46
-
10K
6.21 mi11:41:3348:117:4524:04
7:45
-0:01
15K
9.32 mi12:06:011:12:397:4824:28
7:53
+0:08
20K
12.43 mi12:30:431:37:217:5024:42
7:57
+0:04
Half
13.11 mi12:36:111:42:497:515:28
8:01
+0:04
25K
15.53 mi12:55:452:02:237:5319:34
8:04
+0:03
30K
18.64 mi13:21:462:28:247:5826:01
8:22
+0:18
20M
20.00 mi13:33:132:39:518:0011:27
8:26
+0:04
21M
21.00 mi13:42:102:48:488:028:57
8:57
+0:31
35K
21.75 mi13:48:132:54:518:026:03
8:05
-0:52
23M
23.00 mi13:58:523:05:308:0410:39
8:30
+0:25
24M
24.00 mi14:07:123:13:508:058:20
8:20
-0:10
40K
24.85 mi14:14:303:21:088:067:18
8:32
+0:12
25.2M
25.20 mi14:17:433:24:218:073:13
9:20
+0:48
Finish
26.22 mi14:25:593:32:378:078:16
8:07
-1:13

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

7:45 /mi

Average Pace

8:07 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:39

34% of race

Time at Steady Pace

1:04:03

30% of race

Time at Slower Pace

1:15:55

36% of race

Average Pace: 8:07 /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 mi11:17:2924:077:4624:07
7:46
#14491
10K
6.21 mi11:41:3348:117:4524:04
7:45
#14373
15K
9.32 mi12:06:011:12:397:4824:28
7:53
#14580
20K
12.43 mi12:30:431:37:217:5024:42
7:57
#14520
Half
13.11 mi12:36:111:42:497:515:28
8:01
#14602
25K
15.53 mi12:55:452:02:237:5319:34
8:04
#14538
30K
18.64 mi13:21:462:28:247:5826:01
8:22
#14373
20M
20.00 mi13:33:132:39:518:0011:27
8:26
#14255
21M
21.00 mi13:42:102:48:488:028:57
8:57
#14162
35K
21.75 mi13:48:132:54:518:026:03
8:05
#14093
23M
23.00 mi13:58:523:05:308:0410:39
8:30
#14064
24M
24.00 mi14:07:123:13:508:058:20
8:20
#14041
40K
24.85 mi14:14:303:21:088:067:18
8:32
#13982
25.2M
25.20 mi14:17:433:24:218:073:13
9:20
#13964
Finish
26.22 mi14:25:593:32:378:078:16
8:07
#13928
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi144914209420915058(Top 53%)4610(Top 38%)4610(Top 354%)
10K6.21 mi3.10 mi14373+1184160+494160+4914310(Top 50%)4141(Top 34%)4141(Top 318%)
15K9.32 mi3.11 mi14580-2074300-1404300-14015058(Top 53%)4610(Top 38%)4610(Top 354%)
20K12.43 mi3.11 mi14520+604301-14301-114548(Top 51%)4391(Top 36%)4391(Top 337%)
Half13.11 mi0.68 mi14602-824349-484349-4816006(Top 56%)5167(Top 42%)5167(Top 397%)
25K15.53 mi2.42 mi14538+644356-74356-714439(Top 51%)4448(Top 36%)4448(Top 341%)
30K18.64 mi3.11 mi14373+1654320+364320+3613991(Top 49%)4360(Top 36%)4360(Top 335%)
20M20.00 mi1.36 mi14255+1184278+424278+4213330(Top 47%)4154(Top 34%)4154(Top 319%)
21M21.00 mi1.00 mi14162+934256+224256+2213238(Top 47%)4237(Top 35%)4237(Top 325%)
35K21.75 mi0.75 mi14093+694239+174239+1712874(Top 45%)4093(Top 33%)4093(Top 314%)
23M23.00 mi1.25 mi14064+294257-184257-1813365(Top 47%)4461(Top 36%)4461(Top 342%)
24M24.00 mi1.00 mi14041+234286-294286-2913497(Top 48%)4563(Top 37%)4563(Top 350%)
40K24.85 mi0.85 mi13982+594275+114275+1113688(Top 48%)4799(Top 39%)4799(Top 368%)
25.2M25.20 mi0.35 mi13964+184272+34272+313657(Top 48%)4837(Top 40%)4837(Top 371%)
Finish26.22 mi1.02 mi13928+364280-84280-813695(Top 48%)4793(Top 39%)4793(Top 368%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15058

Females

4610

F50-54

4610

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14310

Females

4141

F50-54

4141

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15058

Females

4610

F50-54

4610

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14548

Females

4391

F50-54

4391

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

16006

Females

5167

F50-54

5167

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14439

Females

4448

F50-54

4448

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13991

Females

4360

F50-54

4360

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13330

Females

4154

F50-54

4154

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13238

Females

4237

F50-54

4237

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12874

Females

4093

F50-54

4093

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13365

Females

4461

F50-54

4461

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13497

Females

4563

F50-54

4563

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13688

Females

4799

F50-54

4799

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13657

Females

4837

F50-54

4837

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13695

Females

4793

F50-54

4793

Passing Analysis

Category:
Athletes Passed
2146
Passed By
1583
Net Change
+563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14491
5K → 10K343225+118#14491#14373
10K → 15K136343-207#14373#14580
15K → 20K227167+60#14580#14520
20K → Half20102-82#14520#14602
Half → 25K205141+64#14602#14538
25K → 30K318153+165#14538#14373
30K → 20M16951+118#14373#14255
20M → 21M16370+93#14255#14162
21M → 35K10132+69#14162#14093
35K → 23M12697+29#14093#14064
23M → 24M9774+23#14064#14041
24M → 40K10142+59#14041#13982
40K → 25.2M4830+18#13982#13964
25.2M → Finish9256+36#13964#13928
TOTALS21461583+563
📊

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