Boston Marathon logo
BOSTON MARATHON 2025

Matthew Johnson

Bib: 30827•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
49:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:14:43
↑ 67↓ 78
20K· 12.43 mi
7:57/mi
1:39:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:44:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:04:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:29:27
↑ 181↓ 1480.2%
20M
7:56/mi
2:40:14
↑ 64↓ 500.2%
21M
8:11/mi
2:48:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:53:56
↑ 17↓ 861.7%
23M
7:34/mi
3:03:25
↑ 23↓ 630.6%
24M
7:27/mi
3:10:52
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:17:20
↓ 200.3%
25.2M
8:04/mi
3:20:07
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:27:07
↑ 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
Time1:44:38
Pace7:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:29
Pace7:49 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0124:337:5424:33
7:54
-
10K
6.21 mi12:10:0649:387:5925:05
8:04
+0:10
15K
9.32 mi12:35:111:14:438:0125:05
8:04
0:00
20K
12.43 mi12:59:531:39:258:0024:42
7:57
-0:07
Half
13.11 mi13:05:061:44:387:595:13
7:39
-0:18
25K
15.53 mi13:24:382:04:108:0019:32
8:03
+0:24
30K
18.64 mi13:49:552:29:278:0125:17
8:08
+0:05
20M
20.00 mi14:00:422:40:148:0110:47
7:56
-0:12
21M
21.00 mi14:08:532:48:258:018:11
8:11
+0:15
35K
21.75 mi14:14:242:53:568:005:31
7:22
-0:49
23M
23.00 mi14:23:533:03:257:589:29
7:34
+0:12
24M
24.00 mi14:31:203:10:527:577:27
7:27
-0:07
40K
24.85 mi14:37:483:17:207:566:28
7:34
+0:07
25.2M
25.20 mi14:40:353:20:077:562:47
8:04
+0:30
Finish
26.22 mi14:47:353:27:077:547:00
6:52
-1:12

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

6:52 /mi

Average Pace

7:54 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:58

10% of race

Time at Steady Pace

2:33:41

74% of race

Time at Slower Pace

33:28

16% of race

Average Pace: 7:54 /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 mi11:45:0124:337:5424:33
7:54
#15685
10K
6.21 mi12:10:0649:387:5925:05
8:04
#16397
15K
9.32 mi12:35:111:14:438:0125:05
8:04
#16451
20K
12.43 mi12:59:531:39:258:0024:42
7:57
#15913
Half
13.11 mi13:05:061:44:387:595:13
7:39
#15775
25K
15.53 mi13:24:382:04:108:0019:32
8:03
#15488
30K
18.64 mi13:49:552:29:278:0125:17
8:08
#14874
20M
20.00 mi14:00:422:40:148:0110:47
7:56
#14421
21M
21.00 mi14:08:532:48:258:018:11
8:11
#13994
35K
21.75 mi14:14:242:53:568:005:31
7:22
#13756
23M
23.00 mi14:23:533:03:257:589:29
7:34
#13323
24M
24.00 mi14:31:203:10:527:577:27
7:27
#13051
40K
24.85 mi14:37:483:17:207:566:28
7:34
#12813
25.2M
25.20 mi14:40:353:20:077:562:47
8:04
#12677
Finish
26.22 mi14:47:353:27:077:547:00
6:52
#12305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15685106881068816555(Top 58%)11029(Top 68%)11029(Top 195%)
10K6.21 mi3.10 mi16397-71210967-27910967-27916995(Top 60%)11239(Top 70%)11239(Top 199%)
15K9.32 mi3.11 mi16451-5410993-2610993-2616555(Top 58%)11029(Top 68%)11029(Top 195%)
20K12.43 mi3.11 mi15913+53810767+22610767+22614519(Top 51%)10100(Top 63%)10100(Top 179%)
Half13.11 mi0.68 mi15775+13810703+6410703+6412905(Top 45%)9412(Top 58%)9412(Top 167%)
25K15.53 mi2.42 mi15488+28710559+14410559+14414301(Top 50%)9887(Top 61%)9887(Top 175%)
30K18.64 mi3.11 mi14874+61410229+33010229+33012351(Top 43%)8838(Top 55%)8838(Top 157%)
20M20.00 mi1.36 mi14421+4539999+2309999+23010007(Top 35%)7553(Top 47%)7553(Top 134%)
21M21.00 mi1.00 mi13994+4279794+2059794+2058480(Top 30%)6540(Top 41%)6540(Top 116%)
35K21.75 mi0.75 mi13756+2389661+1339661+1337736(Top 27%)6153(Top 38%)6153(Top 109%)
23M23.00 mi1.25 mi13323+4339433+2289433+2287084(Top 25%)5637(Top 35%)5637(Top 100%)
24M24.00 mi1.00 mi13051+2729282+1519282+1517362(Top 26%)5749(Top 36%)5749(Top 102%)
40K24.85 mi0.85 mi12813+2389153+1299153+1297189(Top 25%)5550(Top 34%)5550(Top 98%)
25.2M25.20 mi0.35 mi12677+1369082+719082+716337(Top 22%)4970(Top 31%)4970(Top 88%)
Finish26.22 mi1.02 mi12305+3728862+2208862+2204910(Top 17%)4058(Top 25%)4058(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16555

Males

11029

M18-39

11029

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16995

Males

11239

M18-39

11239

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16555

Males

11029

M18-39

11029

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

14519

Males

10100

M18-39

10100

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12905

Males

9412

M18-39

9412

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14301

Males

9887

M18-39

9887

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12351

Males

8838

M18-39

8838

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

10007

Males

7553

M18-39

7553

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8480

Males

6540

M18-39

6540

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7736

Males

6153

M18-39

6153

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7084

Males

5637

M18-39

5637

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7362

Males

5749

M18-39

5749

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7189

Males

5550

M18-39

5550

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6337

Males

4970

M18-39

4970

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4910

Males

4058

M18-39

4058

Passing Analysis

Category:
Athletes Passed
4539
Passed By
1159
Net Change
+3380
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15685
5K → 10K107819-712#15685#16397
10K → 15K195249-54#16397#16451
15K → 20K56123+538#16451#15913
20K → Half1435+138#15913#15775
Half → 25K32740+287#15775#15488
25K → 30K63016+614#15488#14874
30K → 20M4541+453#14874#14421
20M → 21M4270+427#14421#13994
21M → 35K2391+238#13994#13756
35K → 23M4330+433#13756#13323
23M → 24M2742+272#13323#13051
24M → 40K2380+238#13051#12813
40K → 25.2M1382+136#12813#12677
25.2M → Finish3731+372#12677#12305
TOTALS45391159+3380
📊

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