Boston Marathon logo
BOSTON MARATHON 2025

Michael Russell

Bib: 4021•M

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
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
6:27/mi
20:02
↑ 97↓ 3451.5%
10K· 6.21 mi
6:27/mi
40:03
↑ 79↓ 1380.4%
15K· 9.32 mi
6:26/mi
1:00:01
↑ 67↓ 78
20K· 12.43 mi
6:27/mi
1:20:03
↑ 106↓ 860.1%
Half· 13.11 mi
6:12/mi
1:24:17
↑ 19↓ 370.5%
25K· 15.53 mi
6:22/mi
1:39:44
↑ 66↓ 880.2%
30K· 18.64 mi
6:29/mi
1:59:53
↑ 181↓ 1480.2%
20M
6:29/mi
2:08:42
↑ 64↓ 500.2%
21M
7:07/mi
2:15:49
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:20:46
↑ 17↓ 861.7%
23M
6:55/mi
2:29:25
↑ 23↓ 630.6%
24M
7:09/mi
2:36:34
↓ 821.3%
40K· 24.85 mi
7:10/mi
2:42:42
↓ 200.3%
25.2M
7:50/mi
2:45:24
↑ 13↓ 160.2%
Finish· 26.22 mi
6:41/mi
2:52:13
↑ 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 HalfFaster
Distance13.11 mi
Time1:24:17
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0720:026:2720:02
6:27
-
10K
6.21 mi10:43:0840:036:2720:01
6:27
0:00
15K
9.32 mi11:03:061:00:016:2619:58
6:26
-0:01
20K
12.43 mi11:23:081:20:036:2620:02
6:27
+0:01
Half
13.11 mi11:27:221:24:176:264:14
6:12
-0:15
25K
15.53 mi11:42:491:39:446:2515:27
6:22
+0:10
30K
18.64 mi12:02:581:59:536:2620:09
6:29
+0:07
20M
20.00 mi12:11:472:08:426:268:49
6:29
0:00
21M
21.00 mi12:18:542:15:496:287:07
7:07
+0:38
35K
21.75 mi12:23:512:20:466:284:57
6:37
-0:30
23M
23.00 mi12:32:302:29:256:308:39
6:55
+0:18
24M
24.00 mi12:39:392:36:346:317:09
7:09
+0:14
40K
24.85 mi12:45:472:42:426:336:08
7:10
+0:01
25.2M
25.20 mi12:48:292:45:246:342:42
7:50
+0:40
Finish
26.22 mi12:55:182:52:136:346:49
6:41
-1:09

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

6:12 /mi

Average Pace

6:34 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:14

2% of race

Time at Steady Pace

2:16:14

79% of race

Time at Slower Pace

31:45

18% of race

Average Pace: 6:34 /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 mi10:23:0720:026:2720:02
6:27
#3457
10K
6.21 mi10:43:0840:036:2720:01
6:27
#3373
15K
9.32 mi11:03:061:00:016:2619:58
6:26
#3256
20K
12.43 mi11:23:081:20:036:2620:02
6:27
#3116
Half
13.11 mi11:27:221:24:176:264:14
6:12
#3057
25K
15.53 mi11:42:491:39:446:2515:27
6:22
#2869
30K
18.64 mi12:02:581:59:536:2620:09
6:29
#2618
20M
20.00 mi12:11:472:08:426:268:49
6:29
#2485
21M
21.00 mi12:18:542:15:496:287:07
7:07
#2482
35K
21.75 mi12:23:512:20:466:284:57
6:37
#2480
23M
23.00 mi12:32:302:29:256:308:39
6:55
#2499
24M
24.00 mi12:39:392:36:346:317:09
7:09
#2592
40K
24.85 mi12:45:472:42:426:336:08
7:10
#2641
25.2M
25.20 mi12:48:292:45:246:342:42
7:50
#2663
Finish
26.22 mi12:55:182:52:136:346:49
6:41
#2679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3457328432843115(Top 11%)2967(Top 18%)2967(Top 53%)
10K6.21 mi3.10 mi3373+843203+813203+813329(Top 12%)3164(Top 20%)3164(Top 56%)
15K9.32 mi3.11 mi3256+1173096+1073096+1073115(Top 11%)2967(Top 18%)2967(Top 53%)
20K12.43 mi3.11 mi3116+1402969+1272969+1272818(Top 10%)2683(Top 17%)2683(Top 48%)
Half13.11 mi0.68 mi3057+592915+542915+542054(Top 7%)1963(Top 12%)1963(Top 35%)
25K15.53 mi2.42 mi2869+1882736+1792736+1792227(Top 8%)2120(Top 13%)2120(Top 38%)
30K18.64 mi3.11 mi2618+2512498+2382498+2381922(Top 7%)1831(Top 11%)1831(Top 32%)
20M20.00 mi1.36 mi2485+1332370+1282370+1281598(Top 6%)1512(Top 9%)1512(Top 27%)
21M21.00 mi1.00 mi2482+32368+22368+22775(Top 10%)2578(Top 16%)2578(Top 46%)
35K21.75 mi0.75 mi2480+22363+52363+53066(Top 11%)2821(Top 18%)2821(Top 50%)
23M23.00 mi1.25 mi2499-192378-152378-153259(Top 11%)2970(Top 18%)2970(Top 53%)
24M24.00 mi1.00 mi2592-932459-812459-815504(Top 19%)4601(Top 29%)4601(Top 82%)
40K24.85 mi0.85 mi2641-492503-442503-444900(Top 17%)4144(Top 26%)4144(Top 73%)
25.2M25.20 mi0.35 mi2663-222522-192522-195006(Top 18%)4123(Top 26%)4123(Top 73%)
Finish26.22 mi1.02 mi2679-162535-132535-133807(Top 13%)3295(Top 20%)3295(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3115

Males

2967

M18-39

2967

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3329

Males

3164

M18-39

3164

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3115

Males

2967

M18-39

2967

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2818

Males

2683

M18-39

2683

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

2054

Males

1963

M18-39

1963

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2227

Males

2120

M18-39

2120

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

1922

Males

1831

M18-39

1831

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1598

Males

1512

M18-39

1512

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2775

Males

2578

M18-39

2578

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3066

Males

2821

M18-39

2821

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3259

Males

2970

M18-39

2970

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5504

Males

4601

M18-39

4601

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4900

Males

4144

M18-39

4144

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5006

Males

4123

M18-39

4123

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3807

Males

3295

M18-39

3295

Passing Analysis

Category:
Athletes Passed
1335
Passed By
557
Net Change
+778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3457
5K → 10K17187+84#3457#3373
10K → 15K16043+117#3373#3256
15K → 20K15818+140#3256#3116
20K → Half601+59#3116#3057
Half → 25K1935+188#3057#2869
25K → 30K2587+251#2869#2618
30K → 20M1363+133#2618#2485
20M → 21M4441+3#2485#2482
21M → 35K3432+2#2482#2480
35K → 23M4463-19#2480#2499
23M → 24M23116-93#2499#2592
24M → 40K2271-49#2592#2641
40K → 25.2M830-22#2641#2663
25.2M → Finish2440-16#2663#2679
TOTALS1335557+778
📊

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