Boston Marathon logo
BOSTON MARATHON 2025

Mark Glover

Bib: 8834•M

IN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M50-54)
#0 / 1996
Top 3%
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
6:31/mi
20:16
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
40:42
↑ 79↓ 1380.4%
15K· 9.32 mi
6:41/mi
1:01:28
↑ 67↓ 78
20K· 12.43 mi
6:42/mi
1:22:17
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:26:49
↑ 19↓ 370.5%
25K· 15.53 mi
6:41/mi
1:43:02
↑ 66↓ 880.2%
30K· 18.64 mi
6:41/mi
2:03:48
↑ 181↓ 1480.2%
20M
6:37/mi
2:12:48
↑ 64↓ 500.2%
21M
6:57/mi
2:19:45
↑ 106↓ 241.6%
35K· 21.75 mi
6:29/mi
2:24:36
↑ 17↓ 861.7%
23M
6:43/mi
2:33:01
↑ 23↓ 630.6%
24M
6:37/mi
2:39:38
↓ 821.3%
40K· 24.85 mi
6:46/mi
2:45:25
↓ 200.3%
25.2M
7:29/mi
2:48:00
↑ 13↓ 160.2%
Finish· 26.22 mi
6:39/mi
2:54:47
↑ 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
Time1:26:49
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:2820:166:3120:16
6:31
-
10K
6.21 mi11:05:5440:426:3320:26
6:35
+0:04
15K
9.32 mi11:26:401:01:286:3620:46
6:41
+0:06
20K
12.43 mi11:47:291:22:176:3720:49
6:42
+0:01
Half
13.11 mi11:52:011:26:496:374:32
6:39
-0:03
25K
15.53 mi12:08:141:43:026:3816:13
6:41
+0:02
30K
18.64 mi12:29:002:03:486:3820:46
6:41
0:00
20M
20.00 mi12:38:002:12:486:389:00
6:37
-0:04
21M
21.00 mi12:44:572:19:456:396:57
6:57
+0:20
35K
21.75 mi12:49:482:24:366:394:51
6:29
-0:28
23M
23.00 mi12:58:132:33:016:398:25
6:43
+0:14
24M
24.00 mi13:04:502:39:386:396:37
6:37
-0:06
40K
24.85 mi13:10:372:45:256:395:47
6:46
+0:09
25.2M
25.20 mi13:13:122:48:006:402:35
7:29
+0:43
Finish
26.22 mi13:19:592:54:476:406:47
6:39
-0:50

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

6:29 /mi

Average Pace

6:40 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:12

99% of race

Time at Steady Pace

2:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:45:2820:166:3120:16
6:31
#3994
10K
6.21 mi11:05:5440:426:3320:26
6:35
#4134
15K
9.32 mi11:26:401:01:286:3620:46
6:41
#4352
20K
12.43 mi11:47:291:22:176:3720:49
6:42
#4333
Half
13.11 mi11:52:011:26:496:374:32
6:39
#4342
25K
15.53 mi12:08:141:43:026:3816:13
6:41
#4237
30K
18.64 mi12:29:002:03:486:3820:46
6:41
#3893
20M
20.00 mi12:38:002:12:486:389:00
6:37
#3707
21M
21.00 mi12:44:572:19:456:396:57
6:57
#3583
35K
21.75 mi12:49:482:24:366:394:51
6:29
#3497
23M
23.00 mi12:58:132:33:016:398:25
6:43
#3362
24M
24.00 mi13:04:502:39:386:396:37
6:37
#3285
40K
24.85 mi13:10:372:45:256:395:47
6:46
#3228
25.2M
25.20 mi13:13:122:48:006:402:35
7:29
#3210
Finish
26.22 mi13:19:592:54:476:406:47
6:39
#3194
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3994376937694914(Top 17%)4577(Top 28%)4577(Top 229%)
10K6.21 mi3.10 mi4134-1403896-1273896-1274261(Top 15%)4003(Top 25%)4003(Top 201%)
15K9.32 mi3.11 mi4352-2184091-1954091-1954914(Top 17%)4577(Top 28%)4577(Top 229%)
20K12.43 mi3.11 mi4333+194071+204071+204413(Top 16%)4117(Top 26%)4117(Top 206%)
Half13.11 mi0.68 mi4342-94075-44075-44707(Top 17%)4367(Top 27%)4367(Top 219%)
25K15.53 mi2.42 mi4237+1053977+983977+984026(Top 14%)3750(Top 23%)3750(Top 188%)
30K18.64 mi3.11 mi3893+3443665+3123665+3122806(Top 10%)2654(Top 16%)2654(Top 133%)
20M20.00 mi1.36 mi3707+1863492+1733492+1732122(Top 7%)2009(Top 12%)2009(Top 101%)
21M21.00 mi1.00 mi3583+1243376+1163376+1162059(Top 7%)1934(Top 12%)1934(Top 97%)
35K21.75 mi0.75 mi3497+863299+773299+772389(Top 8%)2232(Top 14%)2232(Top 112%)
23M23.00 mi1.25 mi3362+1353171+1283171+1282343(Top 8%)2181(Top 14%)2181(Top 109%)
24M24.00 mi1.00 mi3285+773093+783093+782551(Top 9%)2345(Top 15%)2345(Top 117%)
40K24.85 mi0.85 mi3228+573041+523041+522659(Top 9%)2416(Top 15%)2416(Top 121%)
25.2M25.20 mi0.35 mi3210+183022+193022+193302(Top 12%)2892(Top 18%)2892(Top 145%)
Finish26.22 mi1.02 mi3194+163002+203002+203621(Top 13%)3147(Top 20%)3147(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4914

Males

4577

M50-54

4577

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4261

Males

4003

M50-54

4003

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4914

Males

4577

M50-54

4577

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4413

Males

4117

M50-54

4117

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4707

Males

4367

M50-54

4367

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

4026

Males

3750

M50-54

3750

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2806

Males

2654

M50-54

2654

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

2122

Males

2009

M50-54

2009

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

2059

Males

1934

M50-54

1934

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2389

Males

2232

M50-54

2232

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2343

Males

2181

M50-54

2181

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2551

Males

2345

M50-54

2345

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2659

Males

2416

M50-54

2416

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3302

Males

2892

M50-54

2892

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3621

Males

3147

M50-54

3147

Passing Analysis

Category:
Athletes Passed
1544
Passed By
744
Net Change
+800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3994
5K → 10K96236-140#3994#4134
10K → 15K36254-218#4134#4352
15K → 20K10788+19#4352#4333
20K → Half1625-9#4333#4342
Half → 25K13732+105#4342#4237
25K → 30K35713+344#4237#3893
30K → 20M1882+186#3893#3707
20M → 21M1273+124#3707#3583
21M → 35K915+86#3583#3497
35K → 23M1449+135#3497#3362
23M → 24M8811+77#3362#3285
24M → 40K7417+57#3285#3228
40K → 25.2M2911+18#3228#3210
25.2M → Finish5438+16#3210#3194
TOTALS1544744+800
📊

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