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BOSTON MARATHON 2025

Catherine Edwards

Bib: 27873•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
33:56
Rank: #27465
Start → 5K
33:56 | 10:55/mi
10K· 6.21 mi
1:08:12
Rank: #27277 (+188)
5K → 10K
34:16 | 11:02/mi
15K· 9.32 mi
1:42:32
Rank: #27071 (+206)
10K → 15K
34:20 | 11:03/mi
20K· 12.43 mi
2:17:49
Rank: #26907 (+164)
15K → 20K
35:17 | 11:21/mi
Half· 13.11 mi
2:25:24
Rank: #26891 (+16)
20K → Half
7:35 | 11:07/mi
25K· 15.53 mi
2:55:10
Rank: #26877 (+14)
Half → 25K
29:46 | 12:17/mi
30K· 18.64 mi
3:34:53
Rank: #26824 (+53)
25K → 30K
39:43 | 12:47/mi
20M
3:52:01
Rank: #26772 (+52)
30K → 20M
17:08 | 12:36/mi
21M
4:05:03
Rank: #26702 (+70)
20M → 21M
13:02 | 13:02/mi
35K· 21.75 mi
4:13:47
Rank: #26660 (+42)
21M → 35K
8:44 | 11:40/mi
23M
4:28:44
Rank: #26582 (+78)
35K → 23M
14:57 | 11:56/mi
24M
4:40:39
Rank: #26555 (+27)
23M → 24M
11:55 | 11:55/mi
40K· 24.85 mi
4:50:48
Rank: #26527 (+28)
24M → 40K
10:09 | 11:52/mi
25.2M
4:55:05
Rank: #26497 (+30)
40K → 25.2M
4:17 | 12:25/mi
Finish· 26.22 mi
5:06:06
Rank: #26446 (+51)
25.2M → Finish
11:01 | 10:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:24
Pace11:05 /mi
2nd Half
Distance13.11 mi
Time2:40:42
Pace12:16 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5033:5610:5533:56
10:55
-
10K
6.21 mi12:26:061:08:1210:5934:16
11:02
+0:07
15K
9.32 mi13:00:261:42:3211:0034:20
11:03
+0:01
20K
12.43 mi13:35:432:17:4911:0535:17
11:21
+0:18
Half
13.11 mi13:43:182:25:2411:057:35
11:07
-0:14
25K
15.53 mi14:13:042:55:1011:1729:46
12:17
+1:10
30K
18.64 mi14:52:473:34:5311:3239:43
12:47
+0:30
20M
20.00 mi15:09:553:52:0111:3617:08
12:36
-0:11
21M
21.00 mi15:22:574:05:0311:4013:02
13:02
+0:26
35K
21.75 mi15:31:414:13:4711:408:44
11:40
-1:22
23M
23.00 mi15:46:384:28:4411:4114:57
11:56
+0:16
24M
24.00 mi15:58:334:40:3911:4211:55
11:55
-0:01
40K
24.85 mi16:08:424:50:4811:4210:09
11:52
-0:03
25.2M
25.20 mi16:12:594:55:0511:434:17
12:25
+0:33
Finish
26.22 mi16:24:005:06:0611:4111:01
10:49
-1:36

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

10:49 /mi

Average Pace

11:41 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:25

51% of race

Time at Steady Pace

45:45

15% of race

Time at Slower Pace

1:43:56

34% of race

Average Pace: 11:40 /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 mi11:51:5033:5610:5533:56
10:55
#27465
10K
6.21 mi12:26:061:08:1210:5934:16
11:02
#27277
15K
9.32 mi13:00:261:42:3211:0034:20
11:03
#27071
20K
12.43 mi13:35:432:17:4911:0535:17
11:21
#26907
Half
13.11 mi13:43:182:25:2411:057:35
11:07
#26891
25K
15.53 mi14:13:042:55:1011:1729:46
12:17
#26877
30K
18.64 mi14:52:473:34:5311:3239:43
12:47
#26824
20M
20.00 mi15:09:553:52:0111:3617:08
12:36
#26772
21M
21.00 mi15:22:574:05:0311:4013:02
13:02
#26702
35K
21.75 mi15:31:414:13:4711:408:44
11:40
#26660
23M
23.00 mi15:46:384:28:4411:4114:57
11:56
#26582
24M
24.00 mi15:58:334:40:3911:4211:55
11:55
#26555
40K
24.85 mi16:08:424:50:4811:4210:09
11:52
#26527
25.2M
25.20 mi16:12:594:55:0511:434:17
12:25
#26497
Finish
26.22 mi16:24:005:06:0611:4111:01
10:49
#26446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27465116211162126726(Top 94%)11213(Top 92%)11213(Top 205%)
10K6.21 mi3.10 mi27277+18811520+10111520+10127096(Top 95%)11419(Top 93%)11419(Top 209%)
15K9.32 mi3.11 mi27071+20611404+11611404+11626726(Top 94%)11213(Top 92%)11213(Top 205%)
20K12.43 mi3.11 mi26907+16411311+9311311+9326455(Top 93%)11071(Top 91%)11071(Top 202%)
Half13.11 mi0.68 mi26891+1611306+511306+526653(Top 94%)11206(Top 92%)11206(Top 205%)
25K15.53 mi2.42 mi26877+1411305+111305+126721(Top 94%)11262(Top 92%)11262(Top 206%)
30K18.64 mi3.11 mi26824+5311297+811297+826459(Top 93%)11205(Top 92%)11205(Top 205%)
20M20.00 mi1.36 mi26772+5211275+2211275+2226018(Top 92%)11026(Top 90%)11026(Top 202%)
21M21.00 mi1.00 mi26702+7011238+3711238+3725079(Top 88%)10607(Top 87%)10607(Top 194%)
35K21.75 mi0.75 mi26660+4211227+1111227+1125353(Top 89%)10774(Top 88%)10774(Top 197%)
23M23.00 mi1.25 mi26582+7811200+2711200+2725025(Top 88%)10620(Top 87%)10620(Top 194%)
24M24.00 mi1.00 mi26555+2711188+1211188+1225562(Top 90%)10913(Top 89%)10913(Top 200%)
40K24.85 mi0.85 mi26527+2811173+1511173+1524704(Top 87%)10534(Top 86%)10534(Top 193%)
25.2M25.20 mi0.35 mi26497+3011159+1411159+1424007(Top 85%)10183(Top 83%)10183(Top 186%)
Finish26.22 mi1.02 mi26446+5111137+2211137+2224949(Top 88%)10639(Top 87%)10639(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26726

Females

11213

F18-39

11213

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

27096

Females

11419

F18-39

11419

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26726

Females

11213

F18-39

11213

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26455

Females

11071

F18-39

11071

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26653

Females

11206

F18-39

11206

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26721

Females

11262

F18-39

11262

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

26459

Females

11205

F18-39

11205

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26018

Females

11026

F18-39

11026

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

25079

Females

10607

F18-39

10607

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

25353

Females

10774

F18-39

10774

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

25025

Females

10620

F18-39

10620

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

25562

Females

10913

F18-39

10913

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24704

Females

10534

F18-39

10534

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24007

Females

10183

F18-39

10183

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

24949

Females

10639

F18-39

10639

Passing Analysis

Category:
Athletes Passed
1324
Passed By
305
Net Change
+1019
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27465
5K → 10K22840+188#27465#27277
10K → 15K23226+206#27277#27071
15K → 20K19531+164#27071#26907
20K → Half2711+16#26907#26891
Half → 25K7965+14#26891#26877
25K → 30K11360+53#26877#26824
30K → 20M619+52#26824#26772
20M → 21M8111+70#26772#26702
21M → 35K5210+42#26702#26660
35K → 23M857+78#26660#26582
23M → 24M4619+27#26582#26555
24M → 40K3810+28#26555#26527
40K → 25.2M322+30#26527#26497
25.2M → Finish554+51#26497#26446
TOTALS1324305+1019
📊

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