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BOSTON MARATHON 2025

Mark Topham

Bib: 9466•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M60-64)
#0 / 1259
Top 2%
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
6:54/mi
21:25
↑ 97↓ 3451.5%
10K· 6.21 mi
6:51/mi
42:42
↑ 79↓ 1380.4%
15K· 9.32 mi
6:48/mi
1:03:49
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:25:00
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:29:35
↑ 19↓ 370.5%
25K· 15.53 mi
6:50/mi
1:46:10
↑ 66↓ 880.2%
30K· 18.64 mi
7:09/mi
2:08:24
↑ 181↓ 1480.2%
20M
7:08/mi
2:18:06
↑ 64↓ 500.2%
21M
7:36/mi
2:25:42
↑ 106↓ 241.6%
35K· 21.75 mi
6:46/mi
2:30:46
↑ 17↓ 861.7%
23M
7:07/mi
2:39:41
↑ 23↓ 630.6%
24M
7:08/mi
2:46:49
↓ 821.3%
40K· 24.85 mi
7:14/mi
2:53:00
↓ 200.3%
25.2M
8:13/mi
2:55:50
↑ 13↓ 160.2%
Finish· 26.22 mi
9:30/mi
3:05:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:35
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:35:56
Pace7:19 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4221:256:5421:25
6:54
-
10K
6.21 mi11:07:5942:426:5221:17
6:51
-0:03
15K
9.32 mi11:29:061:03:496:5121:07
6:48
-0:03
20K
12.43 mi11:50:171:25:006:5021:11
6:49
+0:01
Half
13.11 mi11:54:521:29:356:504:35
6:43
-0:06
25K
15.53 mi12:11:271:46:106:5016:35
6:50
+0:07
30K
18.64 mi12:33:412:08:246:5322:14
7:09
+0:19
20M
20.00 mi12:43:232:18:066:549:42
7:08
-0:01
21M
21.00 mi12:50:592:25:426:567:36
7:36
+0:28
35K
21.75 mi12:56:032:30:466:565:04
6:46
-0:50
23M
23.00 mi13:04:582:39:416:578:55
7:07
+0:21
24M
24.00 mi13:12:062:46:496:577:08
7:08
+0:01
40K
24.85 mi13:18:172:53:006:586:11
7:14
+0:06
25.2M
25.20 mi13:21:072:55:506:592:50
8:13
+0:59
Finish
26.22 mi13:30:483:05:317:059:41
9:30
+1:17

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

6:43 /mi

Average Pace

7:05 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:35

2% of race

Time at Steady Pace

2:40:49

87% of race

Time at Slower Pace

20:07

11% of race

Average Pace: 7:05 /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 mi10:46:4221:256:5421:25
6:54
#7005
10K
6.21 mi11:07:5942:426:5221:17
6:51
#6942
15K
9.32 mi11:29:061:03:496:5121:07
6:48
#6639
20K
12.43 mi11:50:171:25:006:5021:11
6:49
#6305
Half
13.11 mi11:54:521:29:356:504:35
6:43
#6260
25K
15.53 mi12:11:271:46:106:5016:35
6:50
#6015
30K
18.64 mi12:33:412:08:246:5322:14
7:09
#5877
20M
20.00 mi12:43:232:18:066:549:42
7:08
#5775
21M
21.00 mi12:50:592:25:426:567:36
7:36
#5681
35K
21.75 mi12:56:032:30:466:565:04
6:46
#5616
23M
23.00 mi13:04:582:39:416:578:55
7:07
#5458
24M
24.00 mi13:12:062:46:496:577:08
7:08
#5411
40K
24.85 mi13:18:172:53:006:586:11
7:14
#5351
25.2M
25.20 mi13:21:072:55:506:592:50
8:13
#5342
Finish
26.22 mi13:30:483:05:317:059:41
9:30
#5861
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi7005629862986051(Top 21%)5501(Top 34%)5501(Top 437%)
10K6.21 mi3.10 mi6942+636252+466252+466856(Top 24%)6165(Top 38%)6165(Top 490%)
15K9.32 mi3.11 mi6639+3035996+2565996+2566051(Top 21%)5501(Top 34%)5501(Top 437%)
20K12.43 mi3.11 mi6305+3345725+2715725+2715480(Top 19%)5007(Top 31%)5007(Top 398%)
Half13.11 mi0.68 mi6260+455684+415684+415411(Top 19%)4966(Top 31%)4966(Top 394%)
25K15.53 mi2.42 mi6015+2455472+2125472+2125185(Top 18%)4751(Top 30%)4751(Top 377%)
30K18.64 mi3.11 mi5877+1385344+1285344+1285644(Top 20%)5047(Top 31%)5047(Top 401%)
20M20.00 mi1.36 mi5775+1025249+955249+954868(Top 17%)4383(Top 27%)4383(Top 348%)
21M21.00 mi1.00 mi5681+945168+815168+815112(Top 18%)4458(Top 28%)4458(Top 354%)
35K21.75 mi0.75 mi5616+655105+635105+633931(Top 14%)3531(Top 22%)3531(Top 280%)
23M23.00 mi1.25 mi5458+1584964+1414964+1414445(Top 16%)3912(Top 24%)3912(Top 311%)
24M24.00 mi1.00 mi5411+474916+484916+485382(Top 19%)4516(Top 28%)4516(Top 359%)
40K24.85 mi0.85 mi5351+604851+654851+655196(Top 18%)4337(Top 27%)4337(Top 344%)
25.2M25.20 mi0.35 mi5342+94834+174834+177056(Top 25%)5346(Top 33%)5346(Top 425%)
Finish26.22 mi1.02 mi5861-5195214-3805214-38021166(Top 75%)12363(Top 77%)12363(Top 982%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

6051

Males

5501

M60-64

5501

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6856

Males

6165

M60-64

6165

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

6051

Males

5501

M60-64

5501

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5480

Males

5007

M60-64

5007

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5411

Males

4966

M60-64

4966

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

5185

Males

4751

M60-64

4751

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5644

Males

5047

M60-64

5047

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4868

Males

4383

M60-64

4383

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5112

Males

4458

M60-64

4458

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3931

Males

3531

M60-64

3531

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4445

Males

3912

M60-64

3912

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5382

Males

4516

M60-64

4516

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5196

Males

4337

M60-64

4337

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7056

Males

5346

M60-64

5346

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21166

Males

12363

M60-64

12363

Passing Analysis

Category:
Athletes Passed
2139
Passed By
995
Net Change
+1144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7005
5K → 10K223160+63#7005#6942
10K → 15K33835+303#6942#6639
15K → 20K34915+334#6639#6305
20K → Half549+45#6305#6260
Half → 25K25813+245#6260#6015
25K → 30K252114+138#6015#5877
30K → 20M12725+102#5877#5775
20M → 21M11218+94#5775#5681
21M → 35K738+65#5681#5616
35K → 23M17012+158#5616#5458
23M → 24M7023+47#5458#5411
24M → 40K8424+60#5411#5351
40K → 25.2M2516+9#5351#5342
25.2M → Finish4523-519#5342#5861
TOTALS2139995+1144
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing