Boston Marathon logo
BOSTON MARATHON 2025

Soo Hoon Kang

Bib: 19462•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
7:51/mi
24:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:14:14
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:40:05
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:45:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:06:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:34:34
↑ 181↓ 1480.2%
20M
9:10/mi
2:47:02
↑ 64↓ 500.2%
21M
9:30/mi
2:56:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:03:10
↑ 17↓ 861.7%
23M
9:24/mi
3:14:56
↑ 23↓ 630.6%
24M
9:15/mi
3:24:11
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:32:08
↓ 200.3%
25.2M
10:38/mi
3:35:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:44:45
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:42
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:59:03
Pace9:05 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5924:247:5124:24
7:51
-
10K
6.21 mi11:40:3749:027:5324:38
7:56
+0:05
15K
9.32 mi12:05:491:14:147:5825:12
8:07
+0:11
20K
12.43 mi12:31:401:40:058:0325:51
8:19
+0:12
Half
13.11 mi12:37:171:45:428:045:37
8:14
-0:05
25K
15.53 mi12:58:032:06:288:0820:46
8:34
+0:20
30K
18.64 mi13:26:092:34:348:1828:06
9:03
+0:29
20M
20.00 mi13:38:372:47:028:2112:28
9:10
+0:07
21M
21.00 mi13:48:072:56:328:249:30
9:30
+0:20
35K
21.75 mi13:54:453:03:108:256:38
8:52
-0:38
23M
23.00 mi14:06:313:14:568:2911:46
9:24
+0:32
24M
24.00 mi14:15:463:24:118:309:15
9:15
-0:09
40K
24.85 mi14:23:433:32:088:327:57
9:18
+0:03
25.2M
25.20 mi14:27:233:35:488:343:40
10:38
+1:20
Finish
26.22 mi14:36:203:44:458:358:57
8:47
-1:51

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

7:51 /mi

Average Pace

8:35 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:42

47% of race

Time at Steady Pace

1:16:55

34% of race

Time at Slower Pace

42:08

19% of race

Average Pace: 8:34 /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 mi11:15:5924:247:5124:24
7:51
#15264
10K
6.21 mi11:40:3749:027:5324:38
7:56
#15581
15K
9.32 mi12:05:491:14:147:5825:12
8:07
#16039
20K
12.43 mi12:31:401:40:058:0325:51
8:19
#16329
Half
13.11 mi12:37:171:45:428:045:37
8:14
#16398
25K
15.53 mi12:58:032:06:288:0820:46
8:34
#16577
30K
18.64 mi13:26:092:34:348:1828:06
9:03
#16785
20M
20.00 mi13:38:372:47:028:2112:28
9:10
#16829
21M
21.00 mi13:48:072:56:328:249:30
9:30
#16744
35K
21.75 mi13:54:453:03:108:256:38
8:52
#16759
23M
23.00 mi14:06:313:14:568:2911:46
9:24
#16849
24M
24.00 mi14:15:463:24:118:309:15
9:15
#16933
40K
24.85 mi14:23:433:32:088:327:57
9:18
#16987
25.2M
25.20 mi14:27:233:35:488:343:40
10:38
#17041
Finish
26.22 mi14:36:203:44:458:358:57
8:47
#17065
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15264105201052016792(Top 59%)11135(Top 69%)11135(Top 676%)
10K6.21 mi3.10 mi15581-31710645-12510645-12515878(Top 56%)10772(Top 67%)10772(Top 654%)
15K9.32 mi3.11 mi16039-45810825-18010825-18016792(Top 59%)11135(Top 69%)11135(Top 676%)
20K12.43 mi3.11 mi16329-29010941-11610941-11617029(Top 60%)11187(Top 69%)11187(Top 679%)
Half13.11 mi0.68 mi16398-6910971-3010971-3017412(Top 61%)11353(Top 70%)11353(Top 689%)
25K15.53 mi2.42 mi16577-17911018-4711018-4717556(Top 62%)11335(Top 70%)11335(Top 688%)
30K18.64 mi3.11 mi16785-20811048-3011048-3017894(Top 63%)11317(Top 70%)11317(Top 687%)
20M20.00 mi1.36 mi16829-4411046+211046+217631(Top 62%)11090(Top 69%)11090(Top 673%)
21M21.00 mi1.00 mi16744+8510969+7710969+7716037(Top 56%)10262(Top 64%)10262(Top 623%)
35K21.75 mi0.75 mi16759-1510961+810961+817552(Top 62%)10831(Top 67%)10831(Top 657%)
23M23.00 mi1.25 mi16849-9010960+110960+118207(Top 64%)11066(Top 69%)11066(Top 671%)
24M24.00 mi1.00 mi16933-8410971-1110971-1118544(Top 65%)11173(Top 69%)11173(Top 678%)
40K24.85 mi0.85 mi16987-5410964+710964+717806(Top 63%)10713(Top 67%)10713(Top 650%)
25.2M25.20 mi0.35 mi17041-5410969-510969-519387(Top 68%)11462(Top 71%)11462(Top 696%)
Finish26.22 mi1.02 mi17065-2410964+510964+517909(Top 63%)10820(Top 67%)10820(Top 657%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16792

Males

11135

M55-59

11135

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15878

Males

10772

M55-59

10772

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16792

Males

11135

M55-59

11135

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17029

Males

11187

M55-59

11187

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17412

Males

11353

M55-59

11353

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17556

Males

11335

M55-59

11335

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17894

Males

11317

M55-59

11317

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17631

Males

11090

M55-59

11090

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

16037

Males

10262

M55-59

10262

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17552

Males

10831

M55-59

10831

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18207

Males

11066

M55-59

11066

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18544

Males

11173

M55-59

11173

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17806

Males

10713

M55-59

10713

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19387

Males

11462

M55-59

11462

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17909

Males

10820

M55-59

10820

Passing Analysis

Category:
Athletes Passed
1241
Passed By
3042
Net Change
-1801
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15264
5K → 10K186503-317#15264#15581
10K → 15K88546-458#15581#16039
15K → 20K126416-290#16039#16329
20K → Half1685-69#16329#16398
Half → 25K104283-179#16398#16577
25K → 30K157365-208#16577#16785
30K → 20M84128-44#16785#16829
20M → 21M15065+85#16829#16744
21M → 35K5469-15#16744#16759
35K → 23M87177-90#16759#16849
23M → 24M49133-84#16849#16933
24M → 40K61115-54#16933#16987
40K → 25.2M2377-54#16987#17041
25.2M → Finish5680-24#17041#17065
TOTALS12413042-1801
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing