Boston Marathon logo
BOSTON MARATHON 2025

James Magrath

Bib: 26696•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
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
7:48/mi
24:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
47:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:10:42
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:34:15
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:39:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:57:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:22:02
↑ 181↓ 1480.2%
20M
7:43/mi
2:32:31
↑ 64↓ 500.2%
21M
7:48/mi
2:40:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:45:55
↑ 17↓ 861.7%
23M
7:35/mi
2:55:25
↑ 23↓ 630.6%
24M
7:27/mi
3:02:52
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:09:19
↓ 200.3%
25.2M
8:19/mi
3:12:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:19:28
↑ 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⚖️ Balanced
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:11
Pace7:39 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3824:157:4824:15
7:48
-
10K
6.21 mi12:07:5747:347:3923:19
7:30
-0:18
15K
9.32 mi12:31:051:10:427:3523:08
7:27
-0:03
20K
12.43 mi12:54:381:34:157:3523:33
7:35
+0:08
Half
13.11 mi12:59:401:39:177:345:02
7:23
-0:12
25K
15.53 mi13:18:081:57:457:3518:28
7:37
+0:14
30K
18.64 mi13:42:252:22:027:3724:17
7:49
+0:12
20M
20.00 mi13:52:542:32:317:3810:29
7:43
-0:06
21M
21.00 mi14:00:422:40:197:387:48
7:48
+0:05
35K
21.75 mi14:06:182:45:557:385:36
7:29
-0:19
23M
23.00 mi14:15:482:55:257:389:30
7:35
+0:06
24M
24.00 mi14:23:153:02:527:377:27
7:27
-0:08
40K
24.85 mi14:29:423:09:197:376:27
7:33
+0:06
25.2M
25.20 mi14:32:343:12:117:382:52
8:19
+0:46
Finish
26.22 mi14:39:513:19:287:377:17
7:09
-1:10

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

7:09 /mi

Average Pace

7:37 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:36

99% of race

Time at Steady Pace

2:52

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:44:3824:157:4824:15
7:48
#14837
10K
6.21 mi12:07:5747:347:3923:19
7:30
#13538
15K
9.32 mi12:31:051:10:427:3523:08
7:27
#12731
20K
12.43 mi12:54:381:34:157:3523:33
7:35
#12346
Half
13.11 mi12:59:401:39:177:345:02
7:23
#12275
25K
15.53 mi13:18:081:57:457:3518:28
7:37
#12001
30K
18.64 mi13:42:252:22:027:3724:17
7:49
#11584
20M
20.00 mi13:52:542:32:317:3810:29
7:43
#11295
21M
21.00 mi14:00:422:40:197:387:48
7:48
#10940
35K
21.75 mi14:06:182:45:557:385:36
7:29
#10830
23M
23.00 mi14:15:482:55:257:389:30
7:35
#10569
24M
24.00 mi14:23:153:02:527:377:27
7:27
#10393
40K
24.85 mi14:29:423:09:197:376:27
7:33
#10211
25.2M
25.20 mi14:32:343:12:117:382:52
8:19
#10149
Finish
26.22 mi14:39:513:19:287:377:17
7:09
#9982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14837103581035811283(Top 40%)8729(Top 54%)8729(Top 155%)
10K6.21 mi3.10 mi13538+12999829+5299829+52912120(Top 43%)9201(Top 57%)9201(Top 163%)
15K9.32 mi3.11 mi12731+8079468+3619468+36111283(Top 40%)8729(Top 54%)8729(Top 155%)
20K12.43 mi3.11 mi12346+3859252+2169252+21611418(Top 40%)8692(Top 54%)8692(Top 154%)
Half13.11 mi0.68 mi12275+719215+379215+3710628(Top 37%)8350(Top 52%)8350(Top 148%)
25K15.53 mi2.42 mi12001+2749048+1679048+16710893(Top 38%)8332(Top 52%)8332(Top 148%)
30K18.64 mi3.11 mi11584+4178780+2688780+26810070(Top 35%)7724(Top 48%)7724(Top 137%)
20M20.00 mi1.36 mi11295+2898602+1788602+1788448(Top 30%)6703(Top 42%)6703(Top 119%)
21M21.00 mi1.00 mi10940+3558395+2078395+2076202(Top 22%)5203(Top 32%)5203(Top 92%)
35K21.75 mi0.75 mi10830+1108316+798316+798508(Top 30%)6600(Top 41%)6600(Top 117%)
23M23.00 mi1.25 mi10569+2618157+1598157+1597171(Top 25%)5686(Top 35%)5686(Top 101%)
24M24.00 mi1.00 mi10393+1768035+1228035+1227357(Top 26%)5744(Top 36%)5744(Top 102%)
40K24.85 mi0.85 mi10211+1827902+1337902+1337047(Top 25%)5465(Top 34%)5465(Top 97%)
25.2M25.20 mi0.35 mi10149+627856+467856+467706(Top 27%)5765(Top 36%)5765(Top 102%)
Finish26.22 mi1.02 mi9982+1677746+1107746+1106693(Top 24%)5153(Top 32%)5153(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11283

Males

8729

M18-39

8729

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12120

Males

9201

M18-39

9201

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11283

Males

8729

M18-39

8729

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11418

Males

8692

M18-39

8692

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10628

Males

8350

M18-39

8350

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10893

Males

8332

M18-39

8332

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

10070

Males

7724

M18-39

7724

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8448

Males

6703

M18-39

6703

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6202

Males

5203

M18-39

5203

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8508

Males

6600

M18-39

6600

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7171

Males

5686

M18-39

5686

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7357

Males

5744

M18-39

5744

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7047

Males

5465

M18-39

5465

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7706

Males

5765

M18-39

5765

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6693

Males

5153

M18-39

5153

Passing Analysis

Category:
Athletes Passed
5076*
Passed By
221
Net Change
+4855
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14837
5K → 10K132324+1299#14837#13538
10K → 15K81811+807#13538#12731
15K → 20K42439+385#12731#12346
20K → Half765+71#12346#12275
Half → 25K31137+274#12275#12001
25K → 30K45841+417#12001#11584
30K → 20M2989+289#11584#11295
20M → 21M3572+355#11295#10940
21M → 35K1177+110#10940#10830
35K → 23M27110+261#10830#10569
23M → 24M18812+176#10569#10393
24M → 40K1875+182#10393#10211
40K → 25.2M664+62#10211#10149
25.2M → Finish182*15+167#10149#9982
TOTALS5076*221+4855

* 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