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BOSTON MARATHON 2025

Rebecca Keddy

Bib: 31354•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:49
Rank: #22222
Start → 5K
27:49 | 8:57/mi
10K· 6.21 mi
53:47
Rank: #20686 (+1536)
5K → 10K
25:58 | 8:21/mi
15K· 9.32 mi
1:19:10
Rank: #19615 (+1071)
10K → 15K
25:23 | 8:10/mi
20K· 12.43 mi
1:45:50
Rank: #19366 (+249)
15K → 20K
26:40 | 8:35/mi
Half· 13.11 mi
1:51:24
Rank: #19246 (+120)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:13:31
Rank: #19475 (-229)
Half → 25K
22:07 | 9:07/mi
30K· 18.64 mi
2:45:16
Rank: #20214 (-739)
25K → 30K
31:45 | 10:13/mi
20M
2:58:30
Rank: #20197 (+17)
30K → 20M
13:14 | 9:44/mi
21M
3:09:51
Rank: #20393 (-196)
20M → 21M
11:21 | 11:21/mi
35K· 21.75 mi
3:16:29
Rank: #20275 (+118)
21M → 35K
6:38 | 8:52/mi
23M
3:28:32
Rank: #20217 (+58)
35K → 23M
12:03 | 9:37/mi
24M
3:37:27
Rank: #20102 (+115)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:45:23
Rank: #20005 (+97)
24M → 40K
7:56 | 9:17/mi
25.2M
3:48:41
Rank: #19927 (+78)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:57:04
Rank: #19758 (+169)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:05:40
Pace9:35 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4827:498:5727:49
8:57
-
10K
6.21 mi12:15:4653:478:3925:58
8:21
-0:36
15K
9.32 mi12:41:091:19:108:3025:23
8:10
-0:11
20K
12.43 mi13:07:491:45:508:3126:40
8:35
+0:25
Half
13.11 mi13:13:231:51:248:305:34
8:10
-0:25
25K
15.53 mi13:35:302:13:318:3622:07
9:07
+0:57
30K
18.64 mi14:07:152:45:168:5231:45
10:13
+1:06
20M
20.00 mi14:20:292:58:308:5513:14
9:44
-0:29
21M
21.00 mi14:31:503:09:519:0211:21
11:21
+1:37
35K
21.75 mi14:38:283:16:299:026:38
8:52
-2:29
23M
23.00 mi14:50:313:28:329:0412:03
9:37
+0:45
24M
24.00 mi14:59:263:37:279:048:55
8:55
-0:42
40K
24.85 mi15:07:223:45:239:047:56
9:17
+0:22
25.2M
25.20 mi15:10:403:48:419:043:18
9:34
+0:17
Finish
26.22 mi15:19:033:57:049:038:23
8:14
-1:20

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

8:10 /mi

Average Pace

9:03 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:18

28% of race

Time at Steady Pace

1:40:05

42% of race

Time at Slower Pace

1:11:41

30% of race

Average Pace: 9:02 /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 mi11:49:4827:498:5727:49
8:57
#22222
10K
6.21 mi12:15:4653:478:3925:58
8:21
#20686
15K
9.32 mi12:41:091:19:108:3025:23
8:10
#19615
20K
12.43 mi13:07:491:45:508:3126:40
8:35
#19366
Half
13.11 mi13:13:231:51:248:305:34
8:10
#19246
25K
15.53 mi13:35:302:13:318:3622:07
9:07
#19475
30K
18.64 mi14:07:152:45:168:5231:45
10:13
#20214
20M
20.00 mi14:20:292:58:308:5513:14
9:44
#20197
21M
21.00 mi14:31:503:09:519:0211:21
11:21
#20393
35K
21.75 mi14:38:283:16:299:026:38
8:52
#20275
23M
23.00 mi14:50:313:28:329:0412:03
9:37
#20217
24M
24.00 mi14:59:263:37:279:048:55
8:55
#20102
40K
24.85 mi15:07:223:45:239:047:56
9:17
#20005
25.2M
25.20 mi15:10:403:48:419:043:18
9:34
#19927
Finish
26.22 mi15:19:033:57:049:038:23
8:14
#19758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi222228750875017217(Top 61%)5861(Top 48%)5861(Top 107%)
10K6.21 mi3.10 mi20686+15367881+8697881+86918940(Top 67%)6848(Top 56%)6848(Top 125%)
15K9.32 mi3.11 mi19615+10717244+6377244+63717217(Top 61%)5861(Top 48%)5861(Top 107%)
20K12.43 mi3.11 mi19366+2497114+1307114+13018764(Top 66%)6784(Top 55%)6784(Top 124%)
Half13.11 mi0.68 mi19246+1207052+627052+6217104(Top 60%)5842(Top 48%)5842(Top 107%)
25K15.53 mi2.42 mi19475-2297187-1357187-13520455(Top 72%)7782(Top 64%)7782(Top 142%)
30K18.64 mi3.11 mi20214-7397647-4607647-46022229(Top 78%)8889(Top 73%)8889(Top 163%)
20M20.00 mi1.36 mi20197+177670-237670-2320076(Top 71%)7833(Top 64%)7833(Top 143%)
21M21.00 mi1.00 mi20393-1967792-1227792-12222279(Top 78%)9122(Top 75%)9122(Top 167%)
35K21.75 mi0.75 mi20275+1187749+437749+4317645(Top 62%)6720(Top 55%)6720(Top 123%)
23M23.00 mi1.25 mi20217+587739+107739+1019194(Top 68%)7614(Top 62%)7614(Top 139%)
24M24.00 mi1.00 mi20102+1157692+477692+4716964(Top 60%)6488(Top 53%)6488(Top 119%)
40K24.85 mi0.85 mi20005+977661+317661+3117789(Top 63%)7031(Top 57%)7031(Top 129%)
25.2M25.20 mi0.35 mi19927+787627+347627+3415057(Top 53%)5604(Top 46%)5604(Top 102%)
Finish26.22 mi1.02 mi19758+1697547+807547+8014489(Top 51%)5212(Top 43%)5212(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17217

Females

5861

F18-39

5861

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

18940

Females

6848

F18-39

6848

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17217

Females

5861

F18-39

5861

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18764

Females

6784

F18-39

6784

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17104

Females

5842

F18-39

5842

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20455

Females

7782

F18-39

7782

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22229

Females

8889

F18-39

8889

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20076

Females

7833

F18-39

7833

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22279

Females

9122

F18-39

9122

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17645

Females

6720

F18-39

6720

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19194

Females

7614

F18-39

7614

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16964

Females

6488

F18-39

6488

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17789

Females

7031

F18-39

7031

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15057

Females

5604

F18-39

5604

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14489

Females

5212

F18-39

5212

Passing Analysis

Category:
Athletes Passed
4096
Passed By
1632
Net Change
+2464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22222
5K → 10K15426+1536#22222#20686
10K → 15K10721+1071#20686#19615
15K → 20K32778+249#19615#19366
20K → Half1211+120#19366#19246
Half → 25K107336-229#19246#19475
25K → 30K60799-739#19475#20214
30K → 20M10487+17#20214#20197
20M → 21M38234-196#20197#20393
21M → 35K1246+118#20393#20275
35K → 23M11456+58#20275#20217
23M → 24M1227+115#20217#20102
24M → 40K10912+97#20102#20005
40K → 25.2M802+78#20005#19927
25.2M → Finish1767+169#19927#19758
TOTALS40961632+2464
📊

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