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BOSTON MARATHON 2025

Demetrios Comodromos

Bib: 13892•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M45-49)
#0 / 2386
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #10464
Start → 5K
22:43 | 7:19/mi
10K· 6.21 mi
45:35
Rank: #10633 (-169)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:08:17
Rank: #10435 (+198)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:31:20
Rank: #10302 (+133)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:36:21
Rank: #10293 (+9)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:54:29
Rank: #10180 (+113)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:18:15
Rank: #9839 (+341)
25K → 30K
23:46 | 7:39/mi
20M
2:28:46
Rank: #9698 (+141)
30K → 20M
10:31 | 7:44/mi
21M
2:36:56
Rank: #9580 (+118)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:42:17
Rank: #9419 (+161)
21M → 35K
5:21 | 7:09/mi
23M
2:51:53
Rank: #9256 (+163)
35K → 23M
9:36 | 7:40/mi
24M
2:59:30
Rank: #9214 (+42)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:06:12
Rank: #9171 (+43)
24M → 40K
6:42 | 7:50/mi
25.2M
3:09:18
Rank: #9195 (-24)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:16:54
Rank: #9171 (+24)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:21
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:40:33
Pace7:40 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5122:437:1922:43
7:19
-
10K
6.21 mi11:14:4345:357:2022:52
7:22
+0:03
15K
9.32 mi11:37:251:08:177:2022:42
7:18
-0:04
20K
12.43 mi12:00:281:31:207:2123:03
7:25
+0:07
Half
13.11 mi12:05:291:36:217:215:01
7:21
-0:04
25K
15.53 mi12:23:371:54:297:2218:08
7:29
+0:08
30K
18.64 mi12:47:232:18:157:2523:46
7:39
+0:10
20M
20.00 mi12:57:542:28:467:2610:31
7:44
+0:05
21M
21.00 mi13:06:042:36:567:288:10
8:10
+0:26
35K
21.75 mi13:11:252:42:177:285:21
7:09
-1:01
23M
23.00 mi13:21:012:51:537:289:36
7:40
+0:31
24M
24.00 mi13:28:382:59:307:297:37
7:37
-0:03
40K
24.85 mi13:35:203:06:127:296:42
7:50
+0:13
25.2M
25.20 mi13:38:263:09:187:313:06
8:59
+1:09
Finish
26.22 mi13:46:023:16:547:317:36
7:27
-1:32

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

7:09 /mi

Average Pace

7:31 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:21

3% of race

Time at Steady Pace

2:43:04

83% of race

Time at Slower Pace

28:29

14% of race

Average Pace: 7:31 /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 mi10:51:5122:437:1922:43
7:19
#10464
10K
6.21 mi11:14:4345:357:2022:52
7:22
#10633
15K
9.32 mi11:37:251:08:177:2022:42
7:18
#10435
20K
12.43 mi12:00:281:31:207:2123:03
7:25
#10302
Half
13.11 mi12:05:291:36:217:215:01
7:21
#10293
25K
15.53 mi12:23:371:54:297:2218:08
7:29
#10180
30K
18.64 mi12:47:232:18:157:2523:46
7:39
#9839
20M
20.00 mi12:57:542:28:467:2610:31
7:44
#9698
21M
21.00 mi13:06:042:36:567:288:10
8:10
#9580
35K
21.75 mi13:11:252:42:177:285:21
7:09
#9419
23M
23.00 mi13:21:012:51:537:289:36
7:40
#9256
24M
24.00 mi13:28:382:59:307:297:37
7:37
#9214
40K
24.85 mi13:35:203:06:127:296:42
7:50
#9171
25.2M
25.20 mi13:38:263:09:187:313:06
8:59
#9195
Finish
26.22 mi13:46:023:16:547:317:36
7:27
#9171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi104648417841710032(Top 35%)8100(Top 50%)8100(Top 339%)
10K6.21 mi3.10 mi10633-1698476-598476-5910812(Top 38%)8569(Top 53%)8569(Top 359%)
15K9.32 mi3.11 mi10435+1988360+1168360+11610032(Top 35%)8100(Top 50%)8100(Top 339%)
20K12.43 mi3.11 mi10302+1338259+1018259+10110044(Top 35%)8034(Top 50%)8034(Top 337%)
Half13.11 mi0.68 mi10293+98251+88251+810405(Top 37%)8218(Top 51%)8218(Top 344%)
25K15.53 mi2.42 mi10180+1138155+968155+969776(Top 34%)7741(Top 48%)7741(Top 324%)
30K18.64 mi3.11 mi9839+3417925+2307925+2308814(Top 31%)7040(Top 44%)7040(Top 295%)
20M20.00 mi1.36 mi9698+1417815+1107815+1108617(Top 30%)6796(Top 42%)6796(Top 285%)
21M21.00 mi1.00 mi9580+1187722+937722+938369(Top 29%)6469(Top 40%)6469(Top 271%)
35K21.75 mi0.75 mi9419+1617610+1127610+1126299(Top 22%)5272(Top 33%)5272(Top 221%)
23M23.00 mi1.25 mi9256+1637480+1307480+1307692(Top 27%)5994(Top 37%)5994(Top 251%)
24M24.00 mi1.00 mi9214+427429+517429+518522(Top 30%)6398(Top 40%)6398(Top 268%)
40K24.85 mi0.85 mi9171+437363+667363+668997(Top 32%)6521(Top 40%)6521(Top 273%)
25.2M25.20 mi0.35 mi9195-247359+47359+411657(Top 41%)7791(Top 48%)7791(Top 327%)
Finish26.22 mi1.02 mi9171+247303+567303+568876(Top 31%)6376(Top 40%)6376(Top 267%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

10032

Males

8100

M45-49

8100

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10812

Males

8569

M45-49

8569

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

10032

Males

8100

M45-49

8100

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

10044

Males

8034

M45-49

8034

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10405

Males

8218

M45-49

8218

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9776

Males

7741

M45-49

7741

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8814

Males

7040

M45-49

7040

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8617

Males

6796

M45-49

6796

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8369

Males

6469

M45-49

6469

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6299

Males

5272

M45-49

5272

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7692

Males

5994

M45-49

5994

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8522

Males

6398

M45-49

6398

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8997

Males

6521

M45-49

6521

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11657

Males

7791

M45-49

7791

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8876

Males

6376

M45-49

6376

Passing Analysis

Category:
Athletes Passed
2353*
Passed By
1058
Net Change
+1293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10464
5K → 10K196365-169#10464#10633
10K → 15K26567+198#10633#10435
15K → 20K237103+133#10435#10302
20K → Half4031+9#10302#10293
Half → 25K20794+113#10293#10180
25K → 30K406*65+341#10180#9839
30K → 20M18240+141#9839#9698
20M → 21M14830+118#9698#9580
21M → 35K1643+161#9580#9419
35K → 23M19128+163#9419#9256
23M → 24M10260+42#9256#9214
24M → 40K9754+43#9214#9171
40K → 25.2M2953-24#9171#9195
25.2M → Finish8965+24#9195#9171
TOTALS2353*1058+1293

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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