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BOSTON MARATHON 2025

Kelly Greig

Bib: 31039•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:20/mi
29:01
↑ 97↓ 3451.5%
10K· 6.21 mi
9:48/mi
59:29
↑ 79↓ 1380.4%
15K· 9.32 mi
9:50/mi
1:30:01
↑ 67↓ 78
20K· 12.43 mi
10:50/mi
2:03:40
↑ 106↓ 860.1%
Half· 13.11 mi
10:46/mi
2:11:01
↑ 19↓ 370.5%
25K· 15.53 mi
13:20/mi
2:43:20
↑ 66↓ 880.2%
30K· 18.64 mi
13:38/mi
3:25:41
↑ 181↓ 1480.2%
20M
14:58/mi
3:46:01
↑ 64↓ 500.2%
21M
15:30/mi
4:01:31
↑ 106↓ 241.6%
35K· 21.75 mi
14:48/mi
4:12:35
↑ 17↓ 861.7%
23M
14:39/mi
4:30:55
↑ 23↓ 630.6%
24M
13:36/mi
4:44:31
↓ 821.3%
40K· 24.85 mi
15:17/mi
4:57:35
↓ 200.3%
25.2M
17:04/mi
5:03:28
↑ 13↓ 160.2%
Finish· 26.22 mi
14:37/mi
5:18:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:01
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time3:07:21
Pace14:17 /mi
📊Positive Split: 43.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4729:019:2029:01
9:20
-
10K
6.21 mi12:21:1559:299:3430:28
9:48
+0:28
15K
9.32 mi12:51:471:30:019:3930:32
9:50
+0:02
20K
12.43 mi13:25:262:03:409:5733:39
10:50
+1:00
Half
13.11 mi13:32:472:11:0110:007:21
10:46
-0:04
25K
15.53 mi14:05:062:43:2010:3132:19
13:20
+2:34
30K
18.64 mi14:47:273:25:4111:0242:21
13:38
+0:18
20M
20.00 mi15:07:473:46:0111:1820:20
14:58
+1:20
21M
21.00 mi15:23:174:01:3111:3015:30
15:30
+0:32
35K
21.75 mi15:34:214:12:3511:3711:04
14:48
-0:42
23M
23.00 mi15:52:414:30:5511:4718:20
14:39
-0:09
24M
24.00 mi16:06:174:44:3111:5113:36
13:36
-1:03
40K
24.85 mi16:19:214:57:3511:5813:04
15:17
+1:41
25.2M
25.20 mi16:25:145:03:2812:035:53
17:04
+1:47
Finish
26.22 mi16:40:085:18:2212:0914:54
14:37
-2:27

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

9:20 /mi

Average Pace

12:09 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:01

41% of race

Time at Steady Pace

2:12:34

42% of race

Time at Slower Pace

54:47

17% of race

Average Pace: 12:09 /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 mi11:50:4729:019:2029:01
9:20
#23677
10K
6.21 mi12:21:1559:299:3430:28
9:48
#24377
15K
9.32 mi12:51:471:30:019:3930:32
9:50
#24456
20K
12.43 mi13:25:262:03:409:5733:39
10:50
#24887
Half
13.11 mi13:32:472:11:0110:007:21
10:46
#24983
25K
15.53 mi14:05:062:43:2010:3132:19
13:20
#25705
30K
18.64 mi14:47:273:25:4111:0242:21
13:38
#26131
20M
20.00 mi15:07:473:46:0111:1820:20
14:58
#26377
21M
21.00 mi15:23:174:01:3111:3015:30
15:30
#26473
35K
21.75 mi15:34:214:12:3511:3711:04
14:48
#26583
23M
23.00 mi15:52:414:30:5511:4718:20
14:39
#26707
24M
24.00 mi16:06:174:44:3111:5113:36
13:36
#26763
40K
24.85 mi16:19:214:57:3511:5813:04
15:17
#26833
25.2M
25.20 mi16:25:145:03:2812:035:53
17:04
#26874
Finish
26.22 mi16:40:085:18:2212:0914:54
14:37
#26984
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi236779522952224605(Top 87%)10011(Top 82%)10011(Top 583%)
10K6.21 mi3.10 mi24377-7009884-3629884-36224861(Top 88%)10161(Top 83%)10161(Top 591%)
15K9.32 mi3.11 mi24456-799936-529936-5224605(Top 87%)10011(Top 82%)10011(Top 583%)
20K12.43 mi3.11 mi24887-43110173-23710173-23725764(Top 91%)10679(Top 87%)10679(Top 622%)
Half13.11 mi0.68 mi24983-9610232-5910232-5926200(Top 92%)10942(Top 89%)10942(Top 637%)
25K15.53 mi2.42 mi25705-72210637-40510637-40527511(Top 97%)11725(Top 96%)11725(Top 682%)
30K18.64 mi3.11 mi26131-42610894-25710894-25727225(Top 96%)11618(Top 95%)11618(Top 676%)
20M20.00 mi1.36 mi26377-24611049-15511049-15527845(Top 98%)11984(Top 98%)11984(Top 698%)
21M21.00 mi1.00 mi26473-9611110-6111110-6127531(Top 97%)11829(Top 97%)11829(Top 689%)
35K21.75 mi0.75 mi26583-11011185-7511185-7528014(Top 99%)12083(Top 99%)12083(Top 703%)
23M23.00 mi1.25 mi26707-12411268-8311268-8327723(Top 98%)11966(Top 98%)11966(Top 697%)
24M24.00 mi1.00 mi26763-5611309-4111309-4127401(Top 96%)11848(Top 97%)11848(Top 690%)
40K24.85 mi0.85 mi26833-7011351-4211351-4227880(Top 98%)12047(Top 99%)12047(Top 701%)
25.2M25.20 mi0.35 mi26874-4111373-2211373-2228070(Top 99%)12135(Top 99%)12135(Top 706%)
Finish26.22 mi1.02 mi26984-11011441-6811441-6828187(Top 99%)12160(Top 99%)12160(Top 708%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24605

Females

10011

F40-44

10011

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

24861

Females

10161

F40-44

10161

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24605

Females

10011

F40-44

10011

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25764

Females

10679

F40-44

10679

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26200

Females

10942

F40-44

10942

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27511

Females

11725

F40-44

11725

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27225

Females

11618

F40-44

11618

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27845

Females

11984

F40-44

11984

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27531

Females

11829

F40-44

11829

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28014

Females

12083

F40-44

12083

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27723

Females

11966

F40-44

11966

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27401

Females

11848

F40-44

11848

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27880

Females

12047

F40-44

12047

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28070

Females

12135

F40-44

12135

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28187

Females

12160

F40-44

12160

Passing Analysis

Category:
Athletes Passed
311
Passed By
3618
Net Change
-3307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23677
5K → 10K53753-700#23677#24377
10K → 15K113192-79#24377#24456
15K → 20K40471-431#24456#24887
20K → Half11107-96#24887#24983
Half → 25K7729-722#24983#25705
25K → 30K25451-426#25705#26131
30K → 20M10256-246#26131#26377
20M → 21M14110-96#26377#26473
21M → 35K2112-110#26473#26583
35K → 23M16140-124#26583#26707
23M → 24M1369-56#26707#26763
24M → 40K373-70#26763#26833
40K → 25.2M243-41#26833#26874
25.2M → Finish2112-110#26874#26984
TOTALS3113618-3307
📊

Passing Visuals

Category:
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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