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BOSTON MARATHON 2025

Tsend Urtnasan

Bib: 32699•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:29
Rank: #24208
Start → 5K
29:29 | 9:29/mi
10K· 6.21 mi
56:31
Rank: #22789 (+1419)
5K → 10K
27:02 | 8:42/mi
15K· 9.32 mi
1:23:03
Rank: #21858 (+931)
10K → 15K
26:32 | 8:32/mi
20K· 12.43 mi
1:50:43
Rank: #21491 (+367)
15K → 20K
27:40 | 8:54/mi
Half· 13.11 mi
1:56:31
Rank: #21374 (+117)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:17:36
Rank: #20898 (+476)
Half → 25K
21:05 | 8:42/mi
30K· 18.64 mi
2:48:08
Rank: #20962 (-64)
25K → 30K
30:32 | 9:50/mi
20M
3:03:21
Rank: #21320 (-358)
30K → 20M
15:13 | 11:12/mi
21M
3:16:39
Rank: #21770 (-450)
20M → 21M
13:18 | 13:18/mi
35K· 21.75 mi
3:25:08
Rank: #21936 (-166)
21M → 35K
8:29 | 11:20/mi
23M
3:39:20
Rank: #22085 (-149)
35K → 23M
14:12 | 11:20/mi
24M
3:49:32
Rank: #22074 (+11)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
4:00:05
Rank: #22267 (-193)
24M → 40K
10:33 | 12:20/mi
25.2M
4:04:35
Rank: #22308 (-41)
40K → 25.2M
4:30 | 13:03/mi
Finish· 26.22 mi
4:16:27
Rank: #22529 (-221)
25.2M → Finish
11:52 | 11:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:31
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:19:56
Pace10:40 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:1429:299:2929:29
9:29
-
10K
6.21 mi11:06:1656:319:0627:02
8:42
-0:47
15K
9.32 mi11:32:481:23:038:5526:32
8:32
-0:10
20K
12.43 mi12:00:281:50:438:5527:40
8:54
+0:22
Half
13.11 mi12:06:161:56:318:535:48
8:30
-0:24
25K
15.53 mi12:27:212:17:368:5121:05
8:42
+0:12
30K
18.64 mi12:57:532:48:089:0130:32
9:50
+1:08
20M
20.00 mi13:13:063:03:219:1015:13
11:12
+1:22
21M
21.00 mi13:26:243:16:399:2213:18
13:18
+2:06
35K
21.75 mi13:34:533:25:089:268:29
11:20
-1:58
23M
23.00 mi13:49:053:39:209:3214:12
11:20
0:00
24M
24.00 mi13:59:173:49:329:3410:12
10:12
-1:08
40K
24.85 mi14:09:504:00:059:4010:33
12:20
+2:08
25.2M
25.20 mi14:14:204:04:359:424:30
13:03
+0:43
Finish
26.22 mi14:26:124:16:279:4711:52
11:39
-1:24

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

8:30 /mi

Average Pace

9:47 /mi

Slowest Pace

13:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:07

42% of race

Time at Steady Pace

1:10:13

27% of race

Time at Slower Pace

1:18:07

30% of race

Average Pace: 9:47 /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 mi10:39:1429:299:2929:29
9:29
#24208
10K
6.21 mi11:06:1656:319:0627:02
8:42
#22789
15K
9.32 mi11:32:481:23:038:5526:32
8:32
#21858
20K
12.43 mi12:00:281:50:438:5527:40
8:54
#21491
Half
13.11 mi12:06:161:56:318:535:48
8:30
#21374
25K
15.53 mi12:27:212:17:368:5121:05
8:42
#20898
30K
18.64 mi12:57:532:48:089:0130:32
9:50
#20962
20M
20.00 mi13:13:063:03:219:1015:13
11:12
#21320
21M
21.00 mi13:26:243:16:399:2213:18
13:18
#21770
35K
21.75 mi13:34:533:25:089:268:29
11:20
#21936
23M
23.00 mi13:49:053:39:209:3214:12
11:20
#22085
24M
24.00 mi13:59:173:49:329:3410:12
10:12
#22074
40K
24.85 mi14:09:504:00:059:4010:33
12:20
#22267
25.2M
25.20 mi14:14:204:04:359:424:30
13:03
#22308
Finish
26.22 mi14:26:124:16:279:4711:52
11:39
#22529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24208143431434319570(Top 69%)12309(Top 76%)12309(Top 218%)
10K6.21 mi3.10 mi22789+141913690+65313690+65320871(Top 73%)12863(Top 80%)12863(Top 228%)
15K9.32 mi3.11 mi21858+93113275+41513275+41519570(Top 69%)12309(Top 76%)12309(Top 218%)
20K12.43 mi3.11 mi21491+36713118+15713118+15720499(Top 72%)12676(Top 79%)12676(Top 225%)
Half13.11 mi0.68 mi21374+11713069+4913069+4919201(Top 68%)12149(Top 75%)12149(Top 215%)
25K15.53 mi2.42 mi20898+47612856+21312856+21318358(Top 65%)11684(Top 73%)11684(Top 207%)
30K18.64 mi3.11 mi20962-6412836+2012836+2021079(Top 74%)12752(Top 79%)12752(Top 226%)
20M20.00 mi1.36 mi21320-35812980-14412980-14423984(Top 84%)13972(Top 87%)13972(Top 248%)
21M21.00 mi1.00 mi21770-45013174-19413174-19425430(Top 90%)14587(Top 91%)14587(Top 259%)
35K21.75 mi0.75 mi21936-16613231-5713231-5724825(Top 87%)14269(Top 89%)14269(Top 253%)
23M23.00 mi1.25 mi22085-14913257-2613257-2623966(Top 84%)13822(Top 86%)13822(Top 245%)
24M24.00 mi1.00 mi22074+1113239+1813239+1821930(Top 77%)12776(Top 79%)12776(Top 226%)
40K24.85 mi0.85 mi22267-19313307-6813307-6825425(Top 90%)14480(Top 90%)14480(Top 257%)
25.2M25.20 mi0.35 mi22308-4113313-613313-625097(Top 88%)14295(Top 89%)14295(Top 253%)
Finish26.22 mi1.02 mi22529-22113391-7813391-7826348(Top 93%)14959(Top 93%)14959(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19570

Males

12309

M18-39

12309

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20871

Males

12863

M18-39

12863

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19570

Males

12309

M18-39

12309

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20499

Males

12676

M18-39

12676

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19201

Males

12149

M18-39

12149

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18358

Males

11684

M18-39

11684

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

21079

Males

12752

M18-39

12752

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23984

Males

13972

M18-39

13972

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25430

Males

14587

M18-39

14587

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24825

Males

14269

M18-39

14269

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23966

Males

13822

M18-39

13822

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21930

Males

12776

M18-39

12776

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25425

Males

14480

M18-39

14480

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25097

Males

14295

M18-39

14295

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26348

Males

14959

M18-39

14959

Passing Analysis

Category:
Athletes Passed
3727
Passed By
2048
Net Change
+1679
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24208
5K → 10K14223+1419#24208#22789
10K → 15K9387+931#22789#21858
15K → 20K40437+367#21858#21491
20K → Half1203+117#21491#21374
Half → 25K4771+476#21374#20898
25K → 30K183247-64#20898#20962
30K → 20M36394-358#20962#21320
20M → 21M12462-450#21320#21770
21M → 35K11177-166#21770#21936
35K → 23M48197-149#21936#22085
23M → 24M5039+11#22085#22074
24M → 40K10203-193#22074#22267
40K → 25.2M849-41#22267#22308
25.2M → Finish8229-221#22308#22529
TOTALS37272048+1679
📊

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