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BOSTON MARATHON 2025

Kyunhee Han

Bib: 19301•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M65-69)
#0 / 639
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:21/mi
22:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:01/mi
44:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:04/mi
1:06:36
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:29:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:33:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:51:39
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:15:59
↑ 181↓ 1480.2%
20M
8:18/mi
2:27:16
↑ 64↓ 500.2%
21M
8:42/mi
2:35:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:41:52
↑ 17↓ 861.7%
23M
8:05/mi
2:51:59
↑ 23↓ 630.6%
24M
7:44/mi
2:59:43
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:06:41
↓ 200.3%
25.2M
9:08/mi
3:09:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:18:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:52
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:44:21
Pace7:58 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0322:517:2122:51
7:21
-
10K
6.21 mi11:35:5244:407:1121:49
7:01
-0:20
15K
9.32 mi11:57:481:06:367:0921:56
7:04
+0:03
20K
12.43 mi12:20:121:29:007:1022:24
7:13
+0:09
Half
13.11 mi12:25:041:33:527:104:52
7:08
-0:05
25K
15.53 mi12:42:511:51:397:1117:47
7:20
+0:12
30K
18.64 mi13:07:112:15:597:1824:20
7:50
+0:30
20M
20.00 mi13:18:282:27:167:2211:17
8:18
+0:28
21M
21.00 mi13:27:102:35:587:268:42
8:42
+0:24
35K
21.75 mi13:33:042:41:527:275:54
7:53
-0:49
23M
23.00 mi13:43:112:51:597:2910:07
8:05
+0:12
24M
24.00 mi13:50:552:59:437:297:44
7:44
-0:21
40K
24.85 mi13:57:533:06:417:316:58
8:09
+0:25
25.2M
25.20 mi14:01:023:09:507:323:09
9:08
+0:59
Finish
26.22 mi14:09:253:18:137:348:23
8:14
-0:54

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

7:01 /mi

Average Pace

7:34 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:39

56% of race

Time at Steady Pace

48:05

24% of race

Time at Slower Pace

38:29

19% of race

Average Pace: 7:34 /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 mi11:14:0322:517:2122:51
7:21
#10881
10K
6.21 mi11:35:5244:407:1121:49
7:01
#9358
15K
9.32 mi11:57:481:06:367:0921:56
7:04
#8878
20K
12.43 mi12:20:121:29:007:1022:24
7:13
#8650
Half
13.11 mi12:25:041:33:527:104:52
7:08
#8637
25K
15.53 mi12:42:511:51:397:1117:47
7:20
#8570
30K
18.64 mi13:07:112:15:597:1824:20
7:50
#8793
20M
20.00 mi13:18:282:27:167:2211:17
8:18
#9091
21M
21.00 mi13:27:102:35:587:268:42
8:42
#9212
35K
21.75 mi13:33:042:41:527:275:54
7:53
#9271
23M
23.00 mi13:43:112:51:597:2910:07
8:05
#9307
24M
24.00 mi13:50:552:59:437:297:44
7:44
#9291
40K
24.85 mi13:57:533:06:417:316:58
8:09
#9334
25.2M
25.20 mi14:01:023:09:507:323:09
9:08
#9376
Finish
26.22 mi14:09:253:18:137:348:23
8:14
#9590
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi10881863386338039(Top 28%)6969(Top 43%)6969(Top 1091%)
10K6.21 mi3.10 mi9358+15237810+8237810+8238080(Top 28%)7022(Top 44%)7022(Top 1099%)
15K9.32 mi3.11 mi8878+4807515+2957515+2958039(Top 28%)6969(Top 43%)6969(Top 1091%)
20K12.43 mi3.11 mi8650+2287357+1587357+1588286(Top 29%)7040(Top 44%)7040(Top 1102%)
Half13.11 mi0.68 mi8637+137336+217336+218540(Top 30%)7223(Top 45%)7223(Top 1130%)
25K15.53 mi2.42 mi8570+677281+557281+558629(Top 30%)7129(Top 44%)7129(Top 1116%)
30K18.64 mi3.11 mi8793-2237354-737354-7310151(Top 36%)7769(Top 48%)7769(Top 1216%)
20M20.00 mi1.36 mi9091-2987489-1357489-13512477(Top 44%)8756(Top 54%)8756(Top 1370%)
21M21.00 mi1.00 mi9212-1217520-317520-3111639(Top 41%)8189(Top 51%)8189(Top 1282%)
35K21.75 mi0.75 mi9271-597526-67526-611414(Top 40%)8048(Top 50%)8048(Top 1259%)
23M23.00 mi1.25 mi9307-367509+177509+1710586(Top 37%)7522(Top 47%)7522(Top 1177%)
24M24.00 mi1.00 mi9291+167472+377472+379314(Top 33%)6808(Top 42%)6808(Top 1065%)
40K24.85 mi0.85 mi9334-437453+197453+1911181(Top 39%)7651(Top 48%)7651(Top 1197%)
25.2M25.20 mi0.35 mi9376-427460-77460-712473(Top 44%)8202(Top 51%)8202(Top 1284%)
Finish26.22 mi1.02 mi9590-2147525-657525-6514414(Top 51%)9208(Top 57%)9208(Top 1441%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

8039

Males

6969

M65-69

6969

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8080

Males

7022

M65-69

7022

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

8039

Males

6969

M65-69

6969

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8286

Males

7040

M65-69

7040

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8540

Males

7223

M65-69

7223

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8629

Males

7129

M65-69

7129

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10151

Males

7769

M65-69

7769

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12477

Males

8756

M65-69

8756

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11639

Males

8189

M65-69

8189

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11414

Males

8048

M65-69

8048

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10586

Males

7522

M65-69

7522

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9314

Males

6808

M65-69

6808

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11181

Males

7651

M65-69

7651

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12473

Males

8202

M65-69

8202

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14414

Males

9208

M65-69

9208

Passing Analysis

Category:
Athletes Passed
3134*
Passed By
1843
Net Change
+1291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10881
5K → 10K1533*10+1523#10881#9358
10K → 15K50020+480#9358#8878
15K → 20K29466+228#8878#8650
20K → Half3926+13#8650#8637
Half → 25K16598+67#8637#8570
25K → 30K145368-223#8570#8793
30K → 20M45343-298#8793#9091
20M → 21M61182-121#9091#9212
21M → 35K4099-59#9212#9271
35K → 23M103139-36#9271#9307
23M → 24M9377+16#9307#9291
24M → 40K63106-43#9291#9334
40K → 25.2M2870-42#9334#9376
25.2M → Finish25239-214#9376#9590
TOTALS3134*1843+1291

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

📊

Passing Visuals

Category:
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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