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BOSTON MARATHON 2025

Justin Ashford

Bib: 11996•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M45-49)
#0 / 2386
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #5633
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
40:45
Rank: #4198 (+1435)
5K → 10K
19:52 | 6:24/mi
15K· 9.32 mi
1:01:13
Rank: #4159 (+39)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:22:13
Rank: #4305 (-146)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:26:46
Rank: #4321 (-16)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:18
Rank: #4372 (-51)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:05:37
Rank: #4636 (-264)
25K → 30K
22:19 | 7:11/mi
20M
2:15:40
Rank: #4804 (-168)
30K → 20M
10:03 | 7:24/mi
21M
2:23:25
Rank: #4852 (-48)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:28:59
Rank: #4973 (-121)
21M → 35K
5:34 | 7:26/mi
23M
2:39:06
Rank: #5307 (-334)
35K → 23M
10:07 | 8:05/mi
24M
2:46:55
Rank: #5437 (-130)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
2:53:52
Rank: #5545 (-108)
24M → 40K
6:57 | 8:08/mi
25.2M
2:57:03
Rank: #5605 (-60)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:05:26
Rank: #5838 (-233)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:46
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:38:40
Pace7:32 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1520:536:4320:53
6:43
-
10K
6.21 mi11:08:0740:456:3319:52
6:24
-0:19
15K
9.32 mi11:28:351:01:136:3420:28
6:35
+0:11
20K
12.43 mi11:49:351:22:136:3721:00
6:46
+0:11
Half
13.11 mi11:54:081:26:466:374:33
6:40
-0:06
25K
15.53 mi12:10:401:43:186:3916:32
6:49
+0:09
30K
18.64 mi12:32:592:05:376:4422:19
7:11
+0:22
20M
20.00 mi12:43:022:15:406:4710:03
7:24
+0:13
21M
21.00 mi12:50:472:23:256:507:45
7:45
+0:21
35K
21.75 mi12:56:212:28:596:515:34
7:26
-0:19
23M
23.00 mi13:06:282:39:066:5510:07
8:05
+0:39
24M
24.00 mi13:14:172:46:556:577:49
7:49
-0:16
40K
24.85 mi13:21:142:53:527:006:57
8:08
+0:19
25.2M
25.20 mi13:24:252:57:037:023:11
9:14
+1:06
Finish
26.22 mi13:32:483:05:267:058:23
8:14
-1:00

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

6:24 /mi

Average Pace

7:05 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:18

56% of race

Time at Steady Pace

45:41

25% of race

Time at Slower Pace

36:27

20% of race

Average Pace: 7:04 /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 mi10:48:1520:536:4320:53
6:43
#5633
10K
6.21 mi11:08:0740:456:3319:52
6:24
#4198
15K
9.32 mi11:28:351:01:136:3420:28
6:35
#4159
20K
12.43 mi11:49:351:22:136:3721:00
6:46
#4305
Half
13.11 mi11:54:081:26:466:374:33
6:40
#4321
25K
15.53 mi12:10:401:43:186:3916:32
6:49
#4372
30K
18.64 mi12:32:592:05:376:4422:19
7:11
#4636
20M
20.00 mi12:43:022:15:406:4710:03
7:24
#4804
21M
21.00 mi12:50:472:23:256:507:45
7:45
#4852
35K
21.75 mi12:56:212:28:596:515:34
7:26
#4973
23M
23.00 mi13:06:282:39:066:5510:07
8:05
#5307
24M
24.00 mi13:14:172:46:556:577:49
7:49
#5437
40K
24.85 mi13:21:142:53:527:006:57
8:08
#5545
25.2M
25.20 mi13:24:252:57:037:023:11
9:14
#5605
Finish
26.22 mi13:32:483:05:267:058:23
8:14
#5838
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5633520952094132(Top 15%)3887(Top 24%)3887(Top 163%)
10K6.21 mi3.10 mi4198+14353950+12593950+12593007(Top 11%)2863(Top 18%)2863(Top 120%)
15K9.32 mi3.11 mi4159+393918+323918+324132(Top 15%)3887(Top 24%)3887(Top 163%)
20K12.43 mi3.11 mi4305-1464047-1294047-1294911(Top 17%)4539(Top 28%)4539(Top 190%)
Half13.11 mi0.68 mi4321-164058-114058-114998(Top 18%)4627(Top 29%)4627(Top 194%)
25K15.53 mi2.42 mi4372-514099-414099-415012(Top 18%)4599(Top 29%)4599(Top 193%)
30K18.64 mi3.11 mi4636-2644309-2104309-2105799(Top 20%)5161(Top 32%)5161(Top 216%)
20M20.00 mi1.36 mi4804-1684448-1394448-1396331(Top 22%)5413(Top 34%)5413(Top 227%)
21M21.00 mi1.00 mi4852-484477-294477-295889(Top 21%)4989(Top 31%)4989(Top 209%)
35K21.75 mi0.75 mi4973-1214570-934570-938144(Top 29%)6367(Top 40%)6367(Top 267%)
23M23.00 mi1.25 mi5307-3344836-2664836-26610569(Top 37%)7505(Top 47%)7505(Top 315%)
24M24.00 mi1.00 mi5437-1304935-994935-999881(Top 35%)7090(Top 44%)7090(Top 297%)
40K24.85 mi0.85 mi5545-1085001-665001-6611029(Top 39%)7565(Top 47%)7565(Top 317%)
25.2M25.20 mi0.35 mi5605-605036-355036-3512970(Top 46%)8415(Top 52%)8415(Top 353%)
Finish26.22 mi1.02 mi5838-2335196-1605196-16014402(Top 51%)9196(Top 57%)9196(Top 385%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4132

Males

3887

M45-49

3887

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3007

Males

2863

M45-49

2863

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4132

Males

3887

M45-49

3887

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4911

Males

4539

M45-49

4539

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4998

Males

4627

M45-49

4627

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5012

Males

4599

M45-49

4599

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5799

Males

5161

M45-49

5161

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6331

Males

5413

M45-49

5413

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5889

Males

4989

M45-49

4989

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8144

Males

6367

M45-49

6367

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10569

Males

7505

M45-49

7505

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9881

Males

7090

M45-49

7090

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11029

Males

7565

M45-49

7565

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12970

Males

8415

M45-49

8415

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14402

Males

9196

M45-49

9196

Passing Analysis

Category:
Athletes Passed
1989
Passed By
2194
Net Change
-205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5633
5K → 10K14350+1435#5633#4198
10K → 15K11475+39#4198#4159
15K → 20K53199-146#4159#4305
20K → Half1733-16#4305#4321
Half → 25K79130-51#4321#4372
25K → 30K79343-264#4372#4636
30K → 20M31199-168#4636#4804
20M → 21M52100-48#4804#4852
21M → 35K29150-121#4852#4973
35K → 23M28362-334#4973#5307
23M → 24M20150-130#5307#5437
24M → 40K22130-108#5437#5545
40K → 25.2M1777-60#5545#5605
25.2M → Finish13246-233#5605#5838
TOTALS19892194-205
📊

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