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BOSTON MARATHON 2025

Chanon Tuntivate

Bib: 620•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.8%
Gender (Male)
#0 / 16105
Top 1%
Division (M18-39)
#0 / 5642
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:51
Rank: #498
Start → 5K
17:51 | 5:45/mi
10K· 6.21 mi
35:35
Rank: #477 (+21)
5K → 10K
17:44 | 5:42/mi
15K· 9.32 mi
53:26
Rank: #469 (+8)
10K → 15K
17:51 | 5:45/mi
20K· 12.43 mi
1:11:06
Rank: #404 (+65)
15K → 20K
17:40 | 5:41/mi
Half· 13.11 mi
1:14:57
Rank: #400 (+4)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:28:38
Rank: #367 (+33)
Half → 25K
13:41 | 5:39/mi
30K· 18.64 mi
1:46:30
Rank: #325 (+42)
25K → 30K
17:52 | 5:45/mi
20M
1:54:22
Rank: #299 (+26)
30K → 20M
7:52 | 5:47/mi
21M
2:00:26
Rank: #276 (+23)
20M → 21M
6:04 | 6:04/mi
35K· 21.75 mi
2:04:35
Rank: #267 (+9)
21M → 35K
4:09 | 5:33/mi
23M
2:11:45
Rank: #248 (+19)
35K → 23M
7:10 | 5:43/mi
24M
2:17:25
Rank: #237 (+11)
23M → 24M
5:40 | 5:40/mi
40K· 24.85 mi
2:22:29
Rank: #231 (+6)
24M → 40K
5:04 | 5:56/mi
25.2M
2:24:42
Rank: #229 (+2)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:31:00
Rank: #240 (-11)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:57
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:16:03
Pace5:48 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0917:515:4517:51
5:45
-
10K
6.21 mi10:35:5335:355:4417:44
5:42
-0:03
15K
9.32 mi10:53:4453:265:4417:51
5:45
+0:03
20K
12.43 mi11:11:241:11:065:4317:40
5:41
-0:04
Half
13.11 mi11:15:151:14:575:433:51
5:39
-0:02
25K
15.53 mi11:28:561:28:385:4213:41
5:39
0:00
30K
18.64 mi11:46:481:46:305:4317:52
5:45
+0:06
20M
20.00 mi11:54:401:54:225:437:52
5:47
+0:02
21M
21.00 mi12:00:442:00:265:446:04
6:04
+0:17
35K
21.75 mi12:04:532:04:355:444:09
5:33
-0:31
23M
23.00 mi12:12:032:11:455:447:10
5:43
+0:10
24M
24.00 mi12:17:432:17:255:445:40
5:40
-0:03
40K
24.85 mi12:22:472:22:295:445:04
5:56
+0:16
25.2M
25.20 mi12:25:002:24:425:452:13
6:26
+0:30
Finish
26.22 mi12:31:182:31:005:466:18
6:11
-0:15

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

5:33 /mi

Average Pace

5:46 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:29

94% of race

Time at Steady Pace

8:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:46 /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 mi10:18:0917:515:4517:51
5:45
#498
10K
6.21 mi10:35:5335:355:4417:44
5:42
#477
15K
9.32 mi10:53:4453:265:4417:51
5:45
#469
20K
12.43 mi11:11:241:11:065:4317:40
5:41
#404
Half
13.11 mi11:15:151:14:575:433:51
5:39
#400
25K
15.53 mi11:28:561:28:385:4213:41
5:39
#367
30K
18.64 mi11:46:481:46:305:4317:52
5:45
#325
20M
20.00 mi11:54:401:54:225:437:52
5:47
#299
21M
21.00 mi12:00:442:00:265:446:04
6:04
#276
35K
21.75 mi12:04:532:04:355:444:09
5:33
#267
23M
23.00 mi12:12:032:11:455:447:10
5:43
#248
24M
24.00 mi12:17:432:17:255:445:40
5:40
#237
40K
24.85 mi12:22:472:22:295:445:04
5:56
#231
25.2M
25.20 mi12:25:002:24:425:452:13
6:26
#229
Finish
26.22 mi12:31:182:31:005:466:18
6:11
#240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi498460460444(Top 2%)412(Top 3%)412(Top 7%)
10K6.21 mi3.10 mi477+21440+20440+20464(Top 2%)428(Top 3%)428(Top 8%)
15K9.32 mi3.11 mi469+8432+8432+8444(Top 2%)412(Top 3%)412(Top 7%)
20K12.43 mi3.11 mi404+65372+60372+60295(Top 1%)268(Top 2%)268(Top 5%)
Half13.11 mi0.68 mi400+4368+4368+4347(Top 1%)321(Top 2%)321(Top 6%)
25K15.53 mi2.42 mi367+33336+32336+32233(Top 0.8%)208(Top 1%)208(Top 4%)
30K18.64 mi3.11 mi325+42297+39297+39209(Top 0.7%)187(Top 1%)187(Top 3%)
20M20.00 mi1.36 mi299+26272+25272+25175(Top 0.6%)159(Top 1.0%)159(Top 3%)
21M21.00 mi1.00 mi276+23250+22250+22165(Top 0.6%)152(Top 0.9%)152(Top 3%)
35K21.75 mi0.75 mi267+9244+6244+6140(Top 0.5%)126(Top 0.8%)126(Top 2%)
23M23.00 mi1.25 mi248+19225+19225+19120(Top 0.4%)112(Top 0.7%)112(Top 2%)
24M24.00 mi1.00 mi237+11214+11214+11165(Top 0.6%)152(Top 0.9%)152(Top 3%)
40K24.85 mi0.85 mi231+6209+5209+5309(Top 1%)284(Top 2%)284(Top 5%)
25.2M25.20 mi0.35 mi229+2207+2207+2343(Top 1%)317(Top 2%)317(Top 6%)
Finish26.22 mi1.02 mi240-11218-11218-111442(Top 5%)1340(Top 8%)1340(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

444

Males

412

M18-39

412

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

464

Males

428

M18-39

428

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

444

Males

412

M18-39

412

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

295

Males

268

M18-39

268

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

347

Males

321

M18-39

321

Half→25K

13.1 - 15.5 mi

Top 0.8%
×4stories
+66ft-88ft

Overall

233

Males

208

M18-39

208

25K→30K

15.5 - 18.6 mi

Top 0.7%
×9stories
+181ft-148ft

Overall

209

Males

187

M18-39

187

30K→20M

18.6 - 20.0 mi

Top 0.6%
×5stories
+64ft-50ft

Overall

175

Males

159

M18-39

159

20M→21M

20.0 - 21.0 mi

Top 0.6%
×8stories
+106ft-24ft

Overall

165

Males

152

M18-39

152

21M→35K

21.0 - 21.8 mi

Top 0.5%
×7stories
+17ft-86ft

Overall

140

Males

126

M18-39

126

35K→23M

21.8 - 23.0 mi

Top 0.4%
×5stories
+23ft-63ft

Overall

120

Males

112

M18-39

112

23M→24M

23.0 - 24.0 mi

Top 0.6%
×6stories
+12ft-82ft

Overall

165

Males

152

M18-39

152

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

309

Males

284

M18-39

284

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

343

Males

317

M18-39

317

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1442

Males

1340

M18-39

1340

Passing Analysis

Category:
Athletes Passed
312
Passed By
54
Net Change
+258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#498
5K → 10K3615+21#498#477
10K → 15K2416+8#477#469
15K → 20K672+65#469#404
20K → Half73+4#404#400
Half → 25K330+33#400#367
25K → 30K420+42#367#325
30K → 20M260+26#325#299
20M → 21M252+23#299#276
21M → 35K90+9#276#267
35K → 23M190+19#267#248
23M → 24M132+11#248#237
24M → 40K71+6#237#231
40K → 25.2M31+2#231#229
25.2M → Finish112-11#229#240
TOTALS31254+258
📊

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