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BOSTON MARATHON 2025

Melody Cox

Bib: 20542•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:36
Rank: #15876
Start → 5K
24:36 | 7:55/mi
10K· 6.21 mi
49:02
Rank: #15596 (+280)
5K → 10K
24:26 | 7:52/mi
15K· 9.32 mi
1:13:31
Rank: #15388 (+208)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:38:01
Rank: #14972 (+416)
15K → 20K
24:30 | 7:53/mi
Half· 13.11 mi
1:43:18
Rank: #14918 (+54)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:02:31
Rank: #14607 (+311)
Half → 25K
19:13 | 7:56/mi
30K· 18.64 mi
2:27:10
Rank: #13842 (+765)
25K → 30K
24:39 | 7:56/mi
20M
2:37:49
Rank: #13455 (+387)
30K → 20M
10:39 | 7:50/mi
21M
2:45:46
Rank: #13034 (+421)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:51:17
Rank: #12840 (+194)
21M → 35K
5:31 | 7:22/mi
23M
3:00:41
Rank: #12391 (+449)
35K → 23M
9:24 | 7:30/mi
24M
3:08:03
Rank: #12120 (+271)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
3:14:16
Rank: #11825 (+295)
24M → 40K
6:13 | 7:16/mi
25.2M
3:16:46
Rank: #11610 (+215)
40K → 25.2M
2:30 | 7:14/mi
Finish· 26.22 mi
3:24:08
Rank: #11384 (+226)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:18
Pace7:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:50
Pace7:42 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5324:367:5524:36
7:55
-
10K
6.21 mi11:43:1949:027:5324:26
7:52
-0:03
15K
9.32 mi12:07:481:13:317:5324:29
7:53
+0:01
20K
12.43 mi12:32:181:38:017:5324:30
7:53
0:00
Half
13.11 mi12:37:351:43:187:535:17
7:45
-0:08
25K
15.53 mi12:56:482:02:317:5319:13
7:56
+0:11
30K
18.64 mi13:21:272:27:107:5424:39
7:56
0:00
20M
20.00 mi13:32:062:37:497:5310:39
7:50
-0:06
21M
21.00 mi13:40:032:45:467:547:57
7:57
+0:07
35K
21.75 mi13:45:342:51:177:535:31
7:22
-0:35
23M
23.00 mi13:54:583:00:417:519:24
7:30
+0:08
24M
24.00 mi14:02:203:08:037:507:22
7:22
-0:08
40K
24.85 mi14:08:333:14:167:496:13
7:16
-0:06
25.2M
25.20 mi14:11:033:16:467:482:30
7:14
-0:02
Finish
26.22 mi14:18:253:24:087:477:22
7:14
0:00

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

7:14 /mi

Average Pace

7:47 /mi

Slowest Pace

7:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:22

19% of race

Time at Steady Pace

2:45:46

81% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:18:5324:367:5524:36
7:55
#15876
10K
6.21 mi11:43:1949:027:5324:26
7:52
#15596
15K
9.32 mi12:07:481:13:317:5324:29
7:53
#15388
20K
12.43 mi12:32:181:38:017:5324:30
7:53
#14972
Half
13.11 mi12:37:351:43:187:535:17
7:45
#14918
25K
15.53 mi12:56:482:02:317:5319:13
7:56
#14607
30K
18.64 mi13:21:272:27:107:5424:39
7:56
#13842
20M
20.00 mi13:32:062:37:497:5310:39
7:50
#13455
21M
21.00 mi13:40:032:45:467:547:57
7:57
#13034
35K
21.75 mi13:45:342:51:177:535:31
7:22
#12840
23M
23.00 mi13:54:583:00:417:519:24
7:30
#12391
24M
24.00 mi14:02:203:08:037:507:22
7:22
#12120
40K
24.85 mi14:08:333:14:167:496:13
7:16
#11825
25.2M
25.20 mi14:11:033:16:467:482:30
7:14
#11610
Finish
26.22 mi14:18:253:24:087:477:22
7:14
#11384
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi158765060506015085(Top 53%)4625(Top 38%)4625(Top 269%)
10K6.21 mi3.10 mi15596+2804891+1694891+16915388(Top 54%)4768(Top 39%)4768(Top 278%)
15K9.32 mi3.11 mi15388+2084777+1144777+11415085(Top 53%)4625(Top 38%)4625(Top 269%)
20K12.43 mi3.11 mi14972+4164567+2104567+21013968(Top 49%)4074(Top 33%)4074(Top 237%)
Half13.11 mi0.68 mi14918+544544+234544+2313781(Top 49%)3920(Top 32%)3920(Top 228%)
25K15.53 mi2.42 mi14607+3114395+1494395+14913302(Top 47%)3824(Top 31%)3824(Top 223%)
30K18.64 mi3.11 mi13842+7654017+3784017+37810918(Top 38%)2737(Top 22%)2737(Top 159%)
20M20.00 mi1.36 mi13455+3873830+1873830+1879327(Top 33%)2145(Top 18%)2145(Top 125%)
21M21.00 mi1.00 mi13034+4213625+2053625+2057121(Top 25%)1365(Top 11%)1365(Top 79%)
35K21.75 mi0.75 mi12840+1943538+873538+877800(Top 27%)1623(Top 13%)1623(Top 94%)
23M23.00 mi1.25 mi12391+4493345+1933345+1936706(Top 24%)1281(Top 10%)1281(Top 75%)
24M24.00 mi1.00 mi12120+2713231+1143231+1146881(Top 24%)1425(Top 12%)1425(Top 83%)
40K24.85 mi0.85 mi11825+2953116+1153116+1155538(Top 19%)964(Top 8%)964(Top 56%)
25.2M25.20 mi0.35 mi11610+2153016+1003016+1002242(Top 8%)235(Top 2%)235(Top 14%)
Finish26.22 mi1.02 mi11384+2262946+702946+707290(Top 26%)1789(Top 15%)1789(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15085

Females

4625

F40-44

4625

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15388

Females

4768

F40-44

4768

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15085

Females

4625

F40-44

4625

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13968

Females

4074

F40-44

4074

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13781

Females

3920

F40-44

3920

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13302

Females

3824

F40-44

3824

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10918

Females

2737

F40-44

2737

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9327

Females

2145

F40-44

2145

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7121

Females

1365

F40-44

1365

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7800

Females

1623

F40-44

1623

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6706

Females

1281

F40-44

1281

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6881

Females

1425

F40-44

1425

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5538

Females

964

F40-44

964

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2242

Females

235

F40-44

235

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7290

Females

1789

F40-44

1789

Passing Analysis

Category:
Athletes Passed
4884
Passed By
392
Net Change
+4492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15876
5K → 10K475195+280#15876#15596
10K → 15K308100+208#15596#15388
15K → 20K44529+416#15388#14972
20K → Half6713+54#14972#14918
Half → 25K34130+311#14918#14607
25K → 30K7705+765#14607#13842
30K → 20M3914+387#13842#13455
20M → 21M4221+421#13455#13034
21M → 35K1951+194#13034#12840
35K → 23M4490+449#12840#12391
23M → 24M2732+271#12391#12120
24M → 40K2961+295#12120#11825
40K → 25.2M2150+215#11825#11610
25.2M → Finish23711+226#11610#11384
TOTALS4884392+4492
📊

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