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BOSTON MARATHON 2025

Melissa Diaz

Bib: 28846•F

NY

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
29:34
Rank: #24288
Start → 5K
29:34 | 9:31/mi
10K· 6.21 mi
58:56
Rank: #24135 (+153)
5K → 10K
29:22 | 9:27/mi
15K· 9.32 mi
1:28:08
Rank: #23915 (+220)
10K → 15K
29:12 | 9:24/mi
20K· 12.43 mi
1:59:22
Rank: #24029 (-114)
15K → 20K
31:14 | 10:03/mi
Half· 13.11 mi
2:05:40
Rank: #23960 (+69)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:29:58
Rank: #23856 (+104)
Half → 25K
24:18 | 10:01/mi
30K· 18.64 mi
3:15:08
Rank: #25168 (-1312)
25K → 30K
45:10 | 14:32/mi
20M
3:30:23
Rank: #25099 (+69)
30K → 20M
15:15 | 11:13/mi
21M
3:47:04
Rank: #25425 (-326)
20M → 21M
16:41 | 16:41/mi
35K· 21.75 mi
3:54:17
Rank: #25292 (+133)
21M → 35K
7:13 | 9:39/mi
23M
4:08:16
Rank: #25216 (+76)
35K → 23M
13:59 | 11:10/mi
24M
4:18:39
Rank: #25131 (+85)
23M → 24M
10:23 | 10:23/mi
40K· 24.85 mi
4:27:01
Rank: #25004 (+127)
24M → 40K
8:22 | 9:47/mi
25.2M
4:32:12
Rank: #25050 (-46)
40K → 25.2M
5:11 | 15:02/mi
Finish· 26.22 mi
4:41:36
Rank: #24964 (+86)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:40
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:35:56
Pace11:54 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5629:349:3129:34
9:31
-
10K
6.21 mi12:25:1858:569:2929:22
9:27
-0:04
15K
9.32 mi12:54:301:28:089:2729:12
9:24
-0:03
20K
12.43 mi13:25:441:59:229:3631:14
10:03
+0:39
Half
13.11 mi13:32:022:05:409:356:18
9:14
-0:49
25K
15.53 mi13:56:202:29:589:3924:18
10:01
+0:47
30K
18.64 mi14:41:303:15:0810:2845:10
14:32
+4:31
20M
20.00 mi14:56:453:30:2310:3115:15
11:13
-3:19
21M
21.00 mi15:13:263:47:0410:4916:41
16:41
+5:28
35K
21.75 mi15:20:393:54:1710:467:13
9:39
-7:02
23M
23.00 mi15:34:384:08:1610:4813:59
11:10
+1:31
24M
24.00 mi15:45:014:18:3910:4710:23
10:23
-0:47
40K
24.85 mi15:53:234:27:0110:458:22
9:47
-0:36
25.2M
25.20 mi15:58:344:32:1210:485:11
15:02
+5:15
Finish
26.22 mi16:07:584:41:3610:459:24
9:13
-5:49

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

9:13 /mi

Average Pace

10:45 /mi

Slowest Pace

16:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:19:19

71% of race

Time at Slower Pace

1:22:17

29% of race

Average Pace: 10:44 /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 mi11:55:5629:349:3129:34
9:31
#24288
10K
6.21 mi12:25:1858:569:2929:22
9:27
#24135
15K
9.32 mi12:54:301:28:089:2729:12
9:24
#23915
20K
12.43 mi13:25:441:59:229:3631:14
10:03
#24029
Half
13.11 mi13:32:022:05:409:356:18
9:14
#23960
25K
15.53 mi13:56:202:29:589:3924:18
10:01
#23856
30K
18.64 mi14:41:303:15:0810:2845:10
14:32
#25168
20M
20.00 mi14:56:453:30:2310:3115:15
11:13
#25099
21M
21.00 mi15:13:263:47:0410:4916:41
16:41
#25425
35K
21.75 mi15:20:393:54:1710:467:13
9:39
#25292
23M
23.00 mi15:34:384:08:1610:4813:59
11:10
#25216
24M
24.00 mi15:45:014:18:3910:4710:23
10:23
#25131
40K
24.85 mi15:53:234:27:0110:458:22
9:47
#25004
25.2M
25.20 mi15:58:344:32:1210:485:11
15:02
#25050
Finish
26.22 mi16:07:584:41:3610:459:24
9:13
#24964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi242889845984523465(Top 83%)9359(Top 77%)9359(Top 171%)
10K6.21 mi3.10 mi24135+1539757+889757+8823979(Top 84%)9670(Top 79%)9670(Top 177%)
15K9.32 mi3.11 mi23915+2209627+1309627+13023465(Top 83%)9359(Top 77%)9359(Top 171%)
20K12.43 mi3.11 mi24029-1149710-839710-8324339(Top 86%)9902(Top 81%)9902(Top 181%)
Half13.11 mi0.68 mi23960+699674+369674+3622686(Top 80%)8990(Top 74%)8990(Top 164%)
25K15.53 mi2.42 mi23856+1049618+569618+5623309(Top 82%)9371(Top 77%)9371(Top 171%)
30K18.64 mi3.11 mi25168-131210376-75810376-75827816(Top 98%)11957(Top 98%)11957(Top 219%)
20M20.00 mi1.36 mi25099+6910343+3310343+3324036(Top 85%)9972(Top 82%)9972(Top 182%)
21M21.00 mi1.00 mi25425-32610549-20610549-20628071(Top 99%)12093(Top 99%)12093(Top 221%)
35K21.75 mi0.75 mi25292+13310480+6910480+6920808(Top 73%)8409(Top 69%)8409(Top 154%)
23M23.00 mi1.25 mi25216+7610447+3310447+3323586(Top 83%)9900(Top 81%)9900(Top 181%)
24M24.00 mi1.00 mi25131+8510412+3510412+3522465(Top 79%)9378(Top 77%)9378(Top 171%)
40K24.85 mi0.85 mi25004+12710354+5810354+5819734(Top 69%)8020(Top 66%)8020(Top 147%)
25.2M25.20 mi0.35 mi25050-4610381-2710381-2727133(Top 96%)11722(Top 96%)11722(Top 214%)
Finish26.22 mi1.02 mi24964+8610339+4210339+4220021(Top 70%)8169(Top 67%)8169(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23465

Females

9359

F18-39

9359

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23979

Females

9670

F18-39

9670

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23465

Females

9359

F18-39

9359

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24339

Females

9902

F18-39

9902

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22686

Females

8990

F18-39

8990

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23309

Females

9371

F18-39

9371

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27816

Females

11957

F18-39

11957

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24036

Females

9972

F18-39

9972

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28071

Females

12093

F18-39

12093

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20808

Females

8409

F18-39

8409

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23586

Females

9900

F18-39

9900

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22465

Females

9378

F18-39

9378

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19734

Females

8020

F18-39

8020

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27133

Females

11722

F18-39

11722

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

20021

Females

8169

F18-39

8169

Passing Analysis

Category:
Athletes Passed
1560
Passed By
2236
Net Change
-676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24288
5K → 10K316163+153#24288#24135
10K → 15K27858+220#24135#23915
15K → 20K98212-114#23915#24029
20K → Half756+69#24029#23960
Half → 25K16763+104#23960#23856
25K → 30K51317-1312#23856#25168
30K → 20M8920+69#25168#25099
20M → 21M5331-326#25099#25425
21M → 35K1330+133#25425#25292
35K → 23M859+76#25292#25216
23M → 24M883+85#25216#25131
24M → 40K1292+127#25131#25004
40K → 25.2M349-46#25004#25050
25.2M → Finish893+86#25050#24964
TOTALS15602236-676
📊

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