Boston Marathon logo
BOSTON MARATHON 2025

Matthew Tong

Bib: 30471•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 48%
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
7:43/mi
23:58
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
44:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:36/mi
1:05:28
↑ 67↓ 78
20K· 12.43 mi
6:36/mi
1:25:57
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:30:29
↑ 19↓ 370.5%
25K· 15.53 mi
6:38/mi
1:46:33
↑ 66↓ 880.2%
30K· 18.64 mi
6:46/mi
2:07:34
↑ 181↓ 1480.2%
20M
6:44/mi
2:16:43
↑ 64↓ 500.2%
21M
6:54/mi
2:23:37
↑ 106↓ 241.6%
35K· 21.75 mi
6:30/mi
2:28:29
↑ 17↓ 861.7%
23M
6:32/mi
2:36:40
↑ 23↓ 630.6%
24M
6:36/mi
2:43:16
↓ 821.3%
40K· 24.85 mi
6:40/mi
2:48:58
↓ 200.3%
25.2M
7:24/mi
2:51:31
↑ 13↓ 160.2%
Finish· 26.22 mi
6:27/mi
2:58:05
↑ 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 Half
Distance13.11 mi
Time1:30:29
Pace6:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:36
Pace6:41 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2723:587:4323:58
7:43
-
10K
6.21 mi12:08:2644:577:1420:59
6:45
-0:58
15K
9.32 mi12:28:571:05:287:0120:31
6:36
-0:09
20K
12.43 mi12:49:261:25:576:5520:29
6:36
0:00
Half
13.11 mi12:53:581:30:296:544:32
6:39
+0:03
25K
15.53 mi13:10:021:46:336:5216:04
6:38
-0:01
30K
18.64 mi13:31:032:07:346:5121:01
6:46
+0:08
20M
20.00 mi13:40:122:16:436:509:09
6:44
-0:02
21M
21.00 mi13:47:062:23:376:506:54
6:54
+0:10
35K
21.75 mi13:51:582:28:296:504:52
6:30
-0:24
23M
23.00 mi14:00:092:36:406:498:11
6:32
+0:02
24M
24.00 mi14:06:452:43:166:486:36
6:36
+0:04
40K
24.85 mi14:12:272:48:586:485:42
6:40
+0:04
25.2M
25.20 mi14:15:002:51:316:482:33
7:24
+0:44
Finish
26.22 mi14:21:342:58:056:486:34
6:27
-0:57

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

6:27 /mi

Average Pace

6:48 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:34

85% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

23:58

13% of race

Average Pace: 6:48 /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 mi11:47:2723:587:4323:58
7:43
#14075
10K
6.21 mi12:08:2644:577:1420:59
6:45
#9741
15K
9.32 mi12:28:571:05:287:0120:31
6:36
#7919
20K
12.43 mi12:49:261:25:576:5520:29
6:36
#6945
Half
13.11 mi12:53:581:30:296:544:32
6:39
#6837
25K
15.53 mi13:10:021:46:336:5216:04
6:38
#6245
30K
18.64 mi13:31:032:07:346:5121:01
6:46
#5532
20M
20.00 mi13:40:122:16:436:509:09
6:44
#5229
21M
21.00 mi13:47:062:23:376:506:54
6:54
#4934
35K
21.75 mi13:51:582:28:296:504:52
6:30
#4779
23M
23.00 mi14:00:092:36:406:498:11
6:32
#4468
24M
24.00 mi14:06:452:43:166:486:36
6:36
#4326
40K
24.85 mi14:12:272:48:586:485:42
6:40
#4202
25.2M
25.20 mi14:15:002:51:316:482:33
7:24
#4166
Finish
26.22 mi14:21:342:58:056:486:34
6:27
#4063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1407510073100734244(Top 15%)3988(Top 25%)3988(Top 71%)
10K6.21 mi3.10 mi9741+43348022+20518022+20515860(Top 21%)5361(Top 33%)5361(Top 95%)
15K9.32 mi3.11 mi7919+18226928+10946928+10944244(Top 15%)3988(Top 25%)3988(Top 71%)
20K12.43 mi3.11 mi6945+9746233+6956233+6953642(Top 13%)3439(Top 21%)3439(Top 61%)
Half13.11 mi0.68 mi6837+1086153+806153+804734(Top 17%)4394(Top 27%)4394(Top 78%)
25K15.53 mi2.42 mi6245+5925651+5025651+5023626(Top 13%)3413(Top 21%)3413(Top 60%)
30K18.64 mi3.11 mi5532+7135061+5905061+5903222(Top 11%)3016(Top 19%)3016(Top 53%)
20M20.00 mi1.36 mi5229+3034794+2674794+2672622(Top 9%)2464(Top 15%)2464(Top 44%)
21M21.00 mi1.00 mi4934+2954547+2474547+2471888(Top 7%)1779(Top 11%)1779(Top 32%)
35K21.75 mi0.75 mi4779+1554405+1424405+1422483(Top 9%)2316(Top 14%)2316(Top 41%)
23M23.00 mi1.25 mi4468+3114132+2734132+2731593(Top 6%)1491(Top 9%)1491(Top 26%)
24M24.00 mi1.00 mi4326+1423994+1383994+1382489(Top 9%)2293(Top 14%)2293(Top 41%)
40K24.85 mi0.85 mi4202+1243882+1123882+1122234(Top 8%)2049(Top 13%)2049(Top 36%)
25.2M25.20 mi0.35 mi4166+363847+353847+352904(Top 10%)2583(Top 16%)2583(Top 46%)
Finish26.22 mi1.02 mi4063+1033753+943753+942520(Top 9%)2289(Top 14%)2289(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4244

Males

3988

M18-39

3988

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5860

Males

5361

M18-39

5361

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4244

Males

3988

M18-39

3988

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3642

Males

3439

M18-39

3439

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4734

Males

4394

M18-39

4394

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3626

Males

3413

M18-39

3413

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3222

Males

3016

M18-39

3016

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2622

Males

2464

M18-39

2464

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1888

Males

1779

M18-39

1779

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2483

Males

2316

M18-39

2316

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1593

Males

1491

M18-39

1491

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2489

Males

2293

M18-39

2293

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2234

Males

2049

M18-39

2049

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2904

Males

2583

M18-39

2583

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2520

Males

2289

M18-39

2289

Passing Analysis

Category:
Athletes Passed
10043*
Passed By
31
Net Change
+10012
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14075
5K → 10K4334*0+4334#14075#9741
10K → 15K18231+1822#9741#7919
15K → 20K9740+974#7919#6945
20K → Half1113+108#6945#6837
Half → 25K5931+592#6837#6245
25K → 30K7130+713#6245#5532
30K → 20M3030+303#5532#5229
20M → 21M2950+295#5229#4934
21M → 35K1572+155#4934#4779
35K → 23M3110+311#4779#4468
23M → 24M1453+142#4468#4326
24M → 40K1339+124#4326#4202
40K → 25.2M393+36#4202#4166
25.2M → Finish1129+103#4166#4063
TOTALS10043*31+10012

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

📊

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