Boston Marathon logo
BOSTON MARATHON 2025

Li-Chung Hu

Bib: 28663•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:12
Rank: #26443
Start → 5K
32:12 | 10:22/mi
10K· 6.21 mi
1:04:58
Rank: #26406 (+37)
5K → 10K
32:46 | 10:33/mi
15K· 9.32 mi
1:38:25
Rank: #26382 (+24)
10K → 15K
33:27 | 10:46/mi
20K· 12.43 mi
2:13:46
Rank: #26432 (-50)
15K → 20K
35:21 | 11:23/mi
Half· 13.11 mi
2:20:49
Rank: #26384 (+48)
20K → Half
7:03 | 10:20/mi
25K· 15.53 mi
2:47:49
Rank: #26201 (+183)
Half → 25K
27:00 | 11:08/mi
30K· 18.64 mi
3:24:50
Rank: #26049 (+152)
25K → 30K
37:01 | 11:55/mi
20M
3:40:00
Rank: #25913 (+136)
30K → 20M
15:10 | 11:10/mi
21M
3:51:37
Rank: #25769 (+144)
20M → 21M
11:37 | 11:37/mi
35K· 21.75 mi
3:59:15
Rank: #25682 (+87)
21M → 35K
7:38 | 10:12/mi
23M
4:11:41
Rank: #25464 (+218)
35K → 23M
12:26 | 9:56/mi
24M
4:21:55
Rank: #25350 (+114)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
4:30:59
Rank: #25270 (+80)
24M → 40K
9:04 | 10:36/mi
25.2M
4:34:53
Rank: #25237 (+33)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
4:44:48
Rank: #25167 (+70)
25.2M → Finish
9:55 | 9:44/mi

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
Time2:20:49
Pace10:44 /mi
2nd Half
Distance13.11 mi
Time2:23:59
Pace10:59 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3332:1210:2232:12
10:22
-
10K
6.21 mi12:24:191:04:5810:2732:46
10:33
+0:11
15K
9.32 mi12:57:461:38:2510:3433:27
10:46
+0:13
20K
12.43 mi13:33:072:13:4610:4635:21
11:23
+0:37
Half
13.11 mi13:40:102:20:4910:447:03
10:20
-1:03
25K
15.53 mi14:07:102:47:4910:4827:00
11:08
+0:48
30K
18.64 mi14:44:113:24:5010:5937:01
11:55
+0:47
20M
20.00 mi14:59:213:40:0011:0015:10
11:10
-0:45
21M
21.00 mi15:10:583:51:3711:0211:37
11:37
+0:27
35K
21.75 mi15:18:363:59:1511:007:38
10:12
-1:25
23M
23.00 mi15:31:024:11:4110:5712:26
9:56
-0:16
24M
24.00 mi15:41:164:21:5510:5510:14
10:14
+0:18
40K
24.85 mi15:50:204:30:5910:549:04
10:36
+0:22
25.2M
25.20 mi15:54:144:34:5310:543:54
11:19
+0:43
Finish
26.22 mi16:04:094:44:4810:529:55
9:44
-1:35

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

9:44 /mi

Average Pace

10:52 /mi

Slowest Pace

11:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:13

14% of race

Time at Steady Pace

1:54:32

40% of race

Time at Slower Pace

2:10:03

46% of race

Average Pace: 10:52 /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 mi11:51:3332:1210:2232:12
10:22
#26443
10K
6.21 mi12:24:191:04:5810:2732:46
10:33
#26406
15K
9.32 mi12:57:461:38:2510:3433:27
10:46
#26382
20K
12.43 mi13:33:072:13:4610:4635:21
11:23
#26432
Half
13.11 mi13:40:102:20:4910:447:03
10:20
#26384
25K
15.53 mi14:07:102:47:4910:4827:00
11:08
#26201
30K
18.64 mi14:44:113:24:5010:5937:01
11:55
#26049
20M
20.00 mi14:59:213:40:0011:0015:10
11:10
#25913
21M
21.00 mi15:10:583:51:3711:0211:37
11:37
#25769
35K
21.75 mi15:18:363:59:1511:007:38
10:12
#25682
23M
23.00 mi15:31:024:11:4110:5712:26
9:56
#25464
24M
24.00 mi15:41:164:21:5510:5510:14
10:14
#25350
40K
24.85 mi15:50:204:30:5910:549:04
10:36
#25270
25.2M
25.20 mi15:54:144:34:5310:543:54
11:19
#25237
Finish
26.22 mi16:04:094:44:4810:529:55
9:44
#25167
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi26443153761537626351(Top 93%)15309(Top 95%)15309(Top 929%)
10K6.21 mi3.10 mi26406+3715338+3815338+3826347(Top 93%)15297(Top 95%)15297(Top 928%)
15K9.32 mi3.11 mi26382+2415324+1415324+1426351(Top 93%)15309(Top 95%)15309(Top 929%)
20K12.43 mi3.11 mi26432-5015332-815332-826476(Top 93%)15327(Top 95%)15327(Top 930%)
Half13.11 mi0.68 mi26384+4815319+1315319+1325508(Top 90%)14892(Top 92%)14892(Top 904%)
25K15.53 mi2.42 mi26201+18315240+7915240+7925397(Top 89%)14818(Top 92%)14818(Top 899%)
30K18.64 mi3.11 mi26049+15215132+10815132+10825473(Top 90%)14752(Top 92%)14752(Top 895%)
20M20.00 mi1.36 mi25913+13615060+7215060+7223905(Top 84%)13940(Top 87%)13940(Top 846%)
21M21.00 mi1.00 mi25769+14414976+8414976+8422852(Top 80%)13372(Top 83%)13372(Top 811%)
35K21.75 mi0.75 mi25682+8714929+4714929+4722444(Top 79%)13132(Top 82%)13132(Top 797%)
23M23.00 mi1.25 mi25464+21814810+11914810+11920270(Top 71%)12041(Top 75%)12041(Top 731%)
24M24.00 mi1.00 mi25350+11414755+5514755+5522038(Top 78%)12835(Top 80%)12835(Top 779%)
40K24.85 mi0.85 mi25270+8014708+4714708+4722200(Top 78%)12841(Top 80%)12841(Top 779%)
25.2M25.20 mi0.35 mi25237+3314692+1614692+1621549(Top 76%)12572(Top 78%)12572(Top 763%)
Finish26.22 mi1.02 mi25167+7014654+3814654+3822025(Top 78%)12806(Top 80%)12806(Top 777%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26351

Males

15309

M55-59

15309

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26347

Males

15297

M55-59

15297

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26351

Males

15309

M55-59

15309

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26476

Males

15327

M55-59

15327

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25508

Males

14892

M55-59

14892

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25397

Males

14818

M55-59

14818

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25473

Males

14752

M55-59

14752

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23905

Males

13940

M55-59

13940

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22852

Males

13372

M55-59

13372

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22444

Males

13132

M55-59

13132

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20270

Males

12041

M55-59

12041

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22038

Males

12835

M55-59

12835

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22200

Males

12841

M55-59

12841

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21549

Males

12572

M55-59

12572

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22025

Males

12806

M55-59

12806

Passing Analysis

Category:
Athletes Passed
1777
Passed By
501
Net Change
+1276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26443
5K → 10K190153+37#26443#26406
10K → 15K135111+24#26406#26382
15K → 20K100150-50#26382#26432
20K → Half546+48#26432#26384
Half → 25K20421+183#26384#26201
25K → 30K18836+152#26201#26049
30K → 20M1404+136#26049#25913
20M → 21M1484+144#25913#25769
21M → 35K892+87#25769#25682
35K → 23M2191+218#25682#25464
23M → 24M1217+114#25464#25350
24M → 40K833+80#25350#25270
40K → 25.2M341+33#25270#25237
25.2M → Finish722+70#25237#25167
TOTALS1777501+1276
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing