Boston Marathon logo
BOSTON MARATHON 2025

Luke Ding

Bib: 31415•M

MA

0:00
0:00
/ mi
Be the first to cheer!
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
28:00
Rank: #22460
Start → 5K
9:01/mi
28:00 split
10K· 6.21 mi
56:39
Rank: #22880 (-420)
5K → 10K
9:13/mi
28:39 split
15K· 9.32 mi
1:25:04
Rank: #22815 (+65)
10K → 15K
9:09/mi
28:25 split
20K· 12.43 mi
1:57:57
Rank: #23724 (-909)
15K → 20K
10:35/mi
32:53 split
Half· 13.11 mi
2:03:59
Rank: #23620 (+104)
20K → Half
8:51/mi
6:02 split
25K· 15.53 mi
2:27:17
Rank: #23357 (+263)
Half → 25K
9:37/mi
23:18 split
30K· 18.64 mi
3:00:21
Rank: #23324 (+33)
25K → 30K
10:39/mi
33:04 split
20M
3:16:17
Rank: #23475 (-151)
30K → 20M
11:43/mi
15:56 split
21M
3:28:35
Rank: #23536 (-61)
20M → 21M
12:18/mi
12:18 split
35K· 21.75 mi
3:37:06
Rank: #23614 (-78)
21M → 35K
11:23/mi
8:31 split
23M
3:51:47
Rank: #23681 (-67)
35K → 23M
11:44/mi
14:41 split
24M
4:03:33
Rank: #23786 (-105)
23M → 24M
11:46/mi
11:46 split
40K· 24.85 mi
4:13:39
Rank: #23827 (-41)
24M → 40K
11:49/mi
10:06 split
25.2M
4:17:58
Rank: #23842 (-15)
40K → 25.2M
12:31/mi
4:19 split
Finish· 26.22 mi
4:29:02
Rank: #23924 (-82)
25.2M → Finish
10:52/mi
11:04 split

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
Time2:03:59
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:25:03
Pace11:04 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2628:009:0128:00
9:01
-
10K
6.21 mi12:20:0556:399:0728:39
9:13
+0:12
15K
9.32 mi12:48:301:25:049:0828:25
9:09
-0:04
20K
12.43 mi13:21:231:57:579:2932:53
10:35
+1:26
Half
13.11 mi13:27:252:03:599:276:02
8:51
-1:44
25K
15.53 mi13:50:432:27:179:2923:18
9:37
+0:46
30K
18.64 mi14:23:473:00:219:4033:04
10:39
+1:02
20M
20.00 mi14:39:433:16:179:4915:56
11:43
+1:04
21M
21.00 mi14:52:013:28:359:5612:18
12:18
+0:35
35K
21.75 mi15:00:323:37:069:598:31
11:23
-0:55
23M
23.00 mi15:15:133:51:4710:0514:41
11:44
+0:21
24M
24.00 mi15:26:594:03:3310:0911:46
11:46
+0:02
40K
24.85 mi15:37:054:13:3910:1210:06
11:49
+0:03
25.2M
25.20 mi15:41:244:17:5810:144:19
12:31
+0:42
Finish
26.22 mi15:52:284:29:0210:1611:04
10:52
-1:39

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

8:51 /mi

Average Pace

10:16 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:24

43% of race

Time at Steady Pace

1:25:32

32% of race

Time at Slower Pace

1:09:06

26% of race

Average Pace: 10:16 /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 mi11:51:2628:009:0128:00
9:01
#22460
10K
6.21 mi12:20:0556:399:0728:39
9:13
#22880
15K
9.32 mi12:48:301:25:049:0828:25
9:09
#22815
20K
12.43 mi13:21:231:57:579:2932:53
10:35
#23724
Half
13.11 mi13:27:252:03:599:276:02
8:51
#23620
25K
15.53 mi13:50:432:27:179:2923:18
9:37
#23357
30K
18.64 mi14:23:473:00:219:4033:04
10:39
#23324
20M
20.00 mi14:39:433:16:179:4915:56
11:43
#23475
21M
21.00 mi14:52:013:28:359:5612:18
12:18
#23536
35K
21.75 mi15:00:323:37:069:598:31
11:23
#23614
23M
23.00 mi15:15:133:51:4710:0514:41
11:44
#23681
24M
24.00 mi15:26:594:03:3310:0911:46
11:46
#23786
40K
24.85 mi15:37:054:13:3910:1210:06
11:49
#23827
25.2M
25.20 mi15:41:244:17:5810:144:19
12:31
#23842
Finish
26.22 mi15:52:284:29:0210:1611:04
10:52
#23924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22460135151351522643(Top 80%)13667(Top 85%)13667(Top 242%)
10K6.21 mi3.10 mi22880-42013731-21613731-21623276(Top 82%)13932(Top 87%)13932(Top 247%)
15K9.32 mi3.11 mi22815+6513737-613737-622643(Top 80%)13667(Top 85%)13667(Top 242%)
20K12.43 mi3.11 mi23724-90914129-39214129-39225332(Top 89%)14824(Top 92%)14824(Top 263%)
Half13.11 mi0.68 mi23620+10414084+4514084+4521121(Top 74%)12971(Top 81%)12971(Top 230%)
25K15.53 mi2.42 mi23357+26313963+12113963+12122218(Top 78%)13393(Top 83%)13393(Top 237%)
30K18.64 mi3.11 mi23324+3313902+6113902+6123261(Top 82%)13731(Top 85%)13731(Top 243%)
20M20.00 mi1.36 mi23475-15113956-5413956-5424878(Top 88%)14404(Top 89%)14404(Top 255%)
21M21.00 mi1.00 mi23536-61139561395624090(Top 85%)13953(Top 87%)13953(Top 247%)
35K21.75 mi0.75 mi23614-7813984-2813984-2824903(Top 88%)14305(Top 89%)14305(Top 254%)
23M23.00 mi1.25 mi23681-6713995-1113995-1124638(Top 87%)14163(Top 88%)14163(Top 251%)
24M24.00 mi1.00 mi23786-10514027-3214027-3225350(Top 89%)14485(Top 90%)14485(Top 257%)
40K24.85 mi0.85 mi23827-4114034-714034-724650(Top 87%)14087(Top 87%)14087(Top 250%)
25.2M25.20 mi0.35 mi23842-1514036-214036-224217(Top 85%)13880(Top 86%)13880(Top 246%)
Finish26.22 mi1.02 mi23924-8214061-2514061-2525086(Top 88%)14329(Top 89%)14329(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22643

Males

13667

M18-39

13667

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23276

Males

13932

M18-39

13932

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22643

Males

13667

M18-39

13667

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25332

Males

14824

M18-39

14824

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21121

Males

12971

M18-39

12971

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22218

Males

13393

M18-39

13393

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23261

Males

13731

M18-39

13731

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

24878

Males

14404

M18-39

14404

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24090

Males

13953

M18-39

13953

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24903

Males

14305

M18-39

14305

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24638

Males

14163

M18-39

14163

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25350

Males

14485

M18-39

14485

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24650

Males

14087

M18-39

14087

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24217

Males

13880

M18-39

13880

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

25086

Males

14329

M18-39

14329

Passing Analysis

Category:
Athletes Passed
1140
Passed By
2604
Net Change
-1464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22460
5K → 10K106526-420#22460#22880
10K → 15K204139+65#22880#22815
15K → 20K23932-909#22815#23724
20K → Half1040+104#23724#23620
Half → 25K28118+263#23620#23357
25K → 30K180147+33#23357#23324
30K → 20M38189-151#23324#23475
20M → 21M57118-61#23475#23536
21M → 35K24102-78#23536#23614
35K → 23M45112-67#23614#23681
23M → 24M20125-105#23681#23786
24M → 40K2768-41#23786#23827
40K → 25.2M1328-15#23827#23842
25.2M → Finish18100-82#23842#23924
TOTALS11402604-1464
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing