Boston Marathon logo
BOSTON MARATHON 2025

Jonathan Ralston

Bib: 3233•M

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #3422
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
39:58
Rank: #3287 (+135)
5K → 10K
19:57 | 6:25/mi
15K· 9.32 mi
59:55
Rank: #3207 (+80)
10K → 15K
19:57 | 6:25/mi
20K· 12.43 mi
1:19:54
Rank: #3038 (+169)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:24:17
Rank: #3055 (-17)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:39:54
Rank: #2939 (+116)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:00:32
Rank: #2826 (+113)
25K → 30K
20:38 | 6:38/mi
20M
2:09:34
Rank: #2754 (+72)
30K → 20M
9:02 | 6:39/mi
21M
2:16:45
Rank: #2735 (+19)
20M → 21M
7:11 | 7:11/mi
35K· 21.75 mi
2:21:33
Rank: #2690 (+45)
21M → 35K
4:48 | 6:25/mi
23M
2:29:56
Rank: #2623 (+67)
35K → 23M
8:23 | 6:42/mi
24M
2:36:29
Rank: #2576 (+47)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:42:20
Rank: #2559 (+17)
24M → 40K
5:51 | 6:51/mi
25.2M
2:44:51
Rank: #2548 (+11)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:51:36
Rank: #2555 (-7)
25.2M → Finish
6:45 | 6:37/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
Time1:24:17
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:27:19
Pace6:40 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5820:016:2720:01
6:27
-
10K
6.21 mi10:41:5539:586:2619:57
6:25
-0:02
15K
9.32 mi11:01:5259:556:2619:57
6:25
0:00
20K
12.43 mi11:21:511:19:546:2619:59
6:26
+0:01
Half
13.11 mi11:26:141:24:176:264:23
6:25
-0:01
25K
15.53 mi11:41:511:39:546:2615:37
6:26
+0:01
30K
18.64 mi12:02:292:00:326:2820:38
6:38
+0:12
20M
20.00 mi12:11:312:09:346:299:02
6:39
+0:01
21M
21.00 mi12:18:422:16:456:317:11
7:11
+0:32
35K
21.75 mi12:23:302:21:336:314:48
6:25
-0:46
23M
23.00 mi12:31:532:29:566:318:23
6:42
+0:17
24M
24.00 mi12:38:262:36:296:316:33
6:33
-0:09
40K
24.85 mi12:44:172:42:206:325:51
6:51
+0:18
25.2M
25.20 mi12:46:482:44:516:332:31
7:18
+0:27
Finish
26.22 mi12:53:332:51:366:336:45
6:37
-0:41

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

6:25 /mi

Average Pace

6:33 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:54

94% of race

Time at Steady Pace

9:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:21:5820:016:2720:01
6:27
#3422
10K
6.21 mi10:41:5539:586:2619:57
6:25
#3287
15K
9.32 mi11:01:5259:556:2619:57
6:25
#3207
20K
12.43 mi11:21:511:19:546:2619:59
6:26
#3038
Half
13.11 mi11:26:141:24:176:264:23
6:25
#3055
25K
15.53 mi11:41:511:39:546:2615:37
6:26
#2939
30K
18.64 mi12:02:292:00:326:2820:38
6:38
#2826
20M
20.00 mi12:11:312:09:346:299:02
6:39
#2754
21M
21.00 mi12:18:422:16:456:317:11
7:11
#2735
35K
21.75 mi12:23:302:21:336:314:48
6:25
#2690
23M
23.00 mi12:31:532:29:566:318:23
6:42
#2623
24M
24.00 mi12:38:262:36:296:316:33
6:33
#2576
40K
24.85 mi12:44:172:42:206:325:51
6:51
#2559
25.2M
25.20 mi12:46:482:44:516:332:31
7:18
#2548
Finish
26.22 mi12:53:332:51:366:336:45
6:37
#2555
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3422325132513077(Top 11%)2930(Top 18%)2930(Top 52%)
10K6.21 mi3.10 mi3287+1353123+1283123+1283192(Top 11%)3037(Top 19%)3037(Top 54%)
15K9.32 mi3.11 mi3207+803049+743049+743077(Top 11%)2930(Top 18%)2930(Top 52%)
20K12.43 mi3.11 mi3038+1692896+1532896+1532715(Top 10%)2585(Top 16%)2585(Top 46%)
Half13.11 mi0.68 mi3055-172913-172913-173242(Top 11%)3083(Top 19%)3083(Top 55%)
25K15.53 mi2.42 mi2939+1162802+1112802+1112568(Top 9%)2443(Top 15%)2443(Top 43%)
30K18.64 mi3.11 mi2826+1132691+1112691+1112609(Top 9%)2470(Top 15%)2470(Top 44%)
20M20.00 mi1.36 mi2754+722624+672624+672241(Top 8%)2119(Top 13%)2119(Top 38%)
21M21.00 mi1.00 mi2735+192603+212603+213072(Top 11%)2837(Top 18%)2837(Top 50%)
35K21.75 mi0.75 mi2690+452559+442559+442117(Top 7%)1984(Top 12%)1984(Top 35%)
23M23.00 mi1.25 mi2623+672493+662493+662247(Top 8%)2098(Top 13%)2098(Top 37%)
24M24.00 mi1.00 mi2576+472443+502443+502268(Top 8%)2100(Top 13%)2100(Top 37%)
40K24.85 mi0.85 mi2559+172427+162427+163059(Top 11%)2755(Top 17%)2755(Top 49%)
25.2M25.20 mi0.35 mi2548+112416+112416+112553(Top 9%)2287(Top 14%)2287(Top 41%)
Finish26.22 mi1.02 mi2555-72421-52421-53473(Top 12%)3042(Top 19%)3042(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3077

Males

2930

M18-39

2930

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3192

Males

3037

M18-39

3037

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3077

Males

2930

M18-39

2930

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2715

Males

2585

M18-39

2585

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3242

Males

3083

M18-39

3083

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2568

Males

2443

M18-39

2443

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2609

Males

2470

M18-39

2470

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2241

Males

2119

M18-39

2119

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3072

Males

2837

M18-39

2837

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2117

Males

1984

M18-39

1984

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2247

Males

2098

M18-39

2098

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2268

Males

2100

M18-39

2100

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3059

Males

2755

M18-39

2755

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2553

Males

2287

M18-39

2287

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3473

Males

3042

M18-39

3042

Passing Analysis

Category:
Athletes Passed
1266
Passed By
399
Net Change
+867
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3422
5K → 10K20166+135#3422#3287
10K → 15K13454+80#3287#3207
15K → 20K18112+169#3207#3038
20K → Half926-17#3038#3055
Half → 25K13014+116#3055#2939
25K → 30K16653+113#2939#2826
30K → 20M9321+72#2826#2754
20M → 21M5738+19#2754#2735
21M → 35K516+45#2735#2690
35K → 23M8619+67#2690#2623
23M → 24M6518+47#2623#2576
24M → 40K4124+17#2576#2559
40K → 25.2M2211+11#2559#2548
25.2M → Finish3037-7#2548#2555
TOTALS1266399+867
📊

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