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BOSTON MARATHON 2025

Derek Boland

Bib: 10082•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Masters (Masters Men)
#0 / 10463
Top 9%
Division (M45-49)
#0 / 2386
Top 10%
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
6:37/mi
20:33
↑ 97↓ 3451.5%
10K· 6.21 mi
6:43/mi
41:25
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:02:20
↑ 67↓ 78
20K· 12.43 mi
6:43/mi
1:23:11
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:27:41
↑ 19↓ 370.5%
25K· 15.53 mi
6:42/mi
1:43:55
↑ 66↓ 880.2%
30K· 18.64 mi
6:53/mi
2:05:17
↑ 181↓ 1480.2%
20M
6:54/mi
2:14:39
↑ 64↓ 500.2%
21M
7:21/mi
2:22:00
↑ 106↓ 241.6%
35K· 21.75 mi
6:32/mi
2:26:53
↑ 17↓ 861.7%
23M
6:55/mi
2:35:32
↑ 23↓ 630.6%
24M
6:39/mi
2:42:11
↓ 821.3%
40K· 24.85 mi
6:58/mi
2:48:08
↓ 200.3%
25.2M
6:58/mi
2:50:32
↑ 13↓ 160.2%
Finish· 26.22 mi
6:31/mi
2:57:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:41
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:29:29
Pace6:50 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2020:336:3720:33
6:37
-
10K
6.21 mi11:07:1241:256:4020:52
6:43
+0:06
15K
9.32 mi11:28:071:02:206:4120:55
6:44
+0:01
20K
12.43 mi11:48:581:23:116:4220:51
6:43
-0:01
Half
13.11 mi11:53:281:27:416:414:30
6:36
-0:07
25K
15.53 mi12:09:421:43:556:4116:14
6:42
+0:06
30K
18.64 mi12:31:042:05:176:4321:22
6:53
+0:11
20M
20.00 mi12:40:262:14:396:449:22
6:54
+0:01
21M
21.00 mi12:47:472:22:006:467:21
7:21
+0:27
35K
21.75 mi12:52:402:26:536:454:53
6:32
-0:49
23M
23.00 mi13:01:192:35:326:468:39
6:55
+0:23
24M
24.00 mi13:07:582:42:116:456:39
6:39
-0:16
40K
24.85 mi13:13:552:48:086:465:57
6:58
+0:19
25.2M
25.20 mi13:16:192:50:326:462:24
6:58
0:00
Finish
26.22 mi13:22:572:57:106:466:38
6:31
-0:27

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

6:31 /mi

Average Pace

6:46 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:49

96% of race

Time at Steady Pace

7:21

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:46:2020:336:3720:33
6:37
#4707
10K
6.21 mi11:07:1241:256:4020:52
6:43
#5045
15K
9.32 mi11:28:071:02:206:4120:55
6:44
#5129
20K
12.43 mi11:48:581:23:116:4220:51
6:43
#4928
Half
13.11 mi11:53:281:27:416:414:30
6:36
#4900
25K
15.53 mi12:09:421:43:556:4116:14
6:42
#4705
30K
18.64 mi12:31:042:05:176:4321:22
6:53
#4494
20M
20.00 mi12:40:262:14:396:449:22
6:54
#4356
21M
21.00 mi12:47:472:22:006:467:21
7:21
#4281
35K
21.75 mi12:52:402:26:536:454:53
6:32
#4194
23M
23.00 mi13:01:192:35:326:468:39
6:55
#4108
24M
24.00 mi13:07:582:42:116:456:39
6:39
#4007
40K
24.85 mi13:13:552:48:086:465:57
6:58
#3972
25.2M
25.20 mi13:16:192:50:326:462:24
6:58
#3888
Finish
26.22 mi13:22:572:57:106:466:38
6:31
#3782
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4707441544155366(Top 19%)4944(Top 31%)4944(Top 207%)
10K6.21 mi3.10 mi5045-3384701-2864701-2865467(Top 19%)5042(Top 31%)5042(Top 211%)
15K9.32 mi3.11 mi5129-844773-724773-725366(Top 19%)4944(Top 31%)4944(Top 207%)
20K12.43 mi3.11 mi4928+2014593+1804593+1804506(Top 16%)4193(Top 26%)4193(Top 176%)
Half13.11 mi0.68 mi4900+284565+284565+284300(Top 15%)4022(Top 25%)4022(Top 169%)
25K15.53 mi2.42 mi4705+1954384+1814384+1814077(Top 14%)3799(Top 24%)3799(Top 159%)
30K18.64 mi3.11 mi4494+2114193+1914193+1913924(Top 14%)3613(Top 22%)3613(Top 151%)
20M20.00 mi1.36 mi4356+1384065+1284065+1283456(Top 12%)3192(Top 20%)3192(Top 134%)
21M21.00 mi1.00 mi4281+753985+803985+803838(Top 14%)3488(Top 22%)3488(Top 146%)
35K21.75 mi0.75 mi4194+873907+783907+782598(Top 9%)2417(Top 15%)2417(Top 101%)
23M23.00 mi1.25 mi4108+863822+853822+853240(Top 11%)2951(Top 18%)2951(Top 124%)
24M24.00 mi1.00 mi4007+1013724+983724+982708(Top 10%)2482(Top 15%)2482(Top 104%)
40K24.85 mi0.85 mi3972+353687+373687+373713(Top 13%)3259(Top 20%)3259(Top 137%)
25.2M25.20 mi0.35 mi3888+843608+793608+791300(Top 5%)1188(Top 7%)1188(Top 50%)
Finish26.22 mi1.02 mi3782+1063510+983510+982857(Top 10%)2552(Top 16%)2552(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5366

Males

4944

M45-49

4944

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5467

Males

5042

M45-49

5042

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5366

Males

4944

M45-49

4944

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4506

Males

4193

M45-49

4193

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4300

Males

4022

M45-49

4022

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

4077

Males

3799

M45-49

3799

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3924

Males

3613

M45-49

3613

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3456

Males

3192

M45-49

3192

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3838

Males

3488

M45-49

3488

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2598

Males

2417

M45-49

2417

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3240

Males

2951

M45-49

2951

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2708

Males

2482

M45-49

2482

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3713

Males

3259

M45-49

3259

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1300

Males

1188

M45-49

1188

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2857

Males

2552

M45-49

2552

Passing Analysis

Category:
Athletes Passed
1748
Passed By
823
Net Change
+925
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4707
5K → 10K67405-338#4707#5045
10K → 15K102186-84#5045#5129
15K → 20K23534+201#5129#4928
20K → Half4214+28#4928#4900
Half → 25K21520+195#4900#4705
25K → 30K25443+211#4705#4494
30K → 20M15416+138#4494#4356
20M → 21M10429+75#4356#4281
21M → 35K925+87#4281#4194
35K → 23M11226+86#4194#4108
23M → 24M1054+101#4108#4007
24M → 40K6227+35#4007#3972
40K → 25.2M840+84#3972#3888
25.2M → Finish12014+106#3888#3782
TOTALS1748823+925
📊

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