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BOSTON MARATHON 2025

Gareth Poston

Bib: 3021•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 22%
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
6:40/mi
20:44
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
41:12
↑ 79↓ 1380.4%
15K· 9.32 mi
6:39/mi
1:01:52
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:22:35
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:27:05
↑ 19↓ 370.5%
25K· 15.53 mi
6:40/mi
1:43:16
↑ 66↓ 880.2%
30K· 18.64 mi
6:53/mi
2:04:40
↑ 181↓ 1480.2%
20M
6:57/mi
2:14:06
↑ 64↓ 500.2%
21M
7:14/mi
2:21:20
↑ 106↓ 241.6%
35K· 21.75 mi
6:32/mi
2:26:13
↑ 17↓ 861.7%
23M
6:47/mi
2:34:42
↑ 23↓ 630.6%
24M
6:39/mi
2:41:21
↓ 821.3%
40K· 24.85 mi
6:44/mi
2:47:06
↓ 200.3%
25.2M
7:15/mi
2:49:36
↑ 13↓ 160.2%
Finish· 26.22 mi
6:26/mi
2:56:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:05
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:29:04
Pace6:48 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1120:446:4020:44
6:40
-
10K
6.21 mi10:44:3941:126:3820:28
6:35
-0:05
15K
9.32 mi11:05:191:01:526:3820:40
6:39
+0:04
20K
12.43 mi11:26:021:22:356:3920:43
6:40
+0:01
Half
13.11 mi11:30:321:27:056:394:30
6:36
-0:04
25K
15.53 mi11:46:431:43:166:3916:11
6:40
+0:04
30K
18.64 mi12:08:072:04:406:4121:24
6:53
+0:13
20M
20.00 mi12:17:332:14:066:429:26
6:57
+0:04
21M
21.00 mi12:24:472:21:206:447:14
7:14
+0:17
35K
21.75 mi12:29:402:26:136:434:53
6:32
-0:42
23M
23.00 mi12:38:092:34:426:448:29
6:47
+0:15
24M
24.00 mi12:44:482:41:216:436:39
6:39
-0:08
40K
24.85 mi12:50:332:47:066:435:45
6:44
+0:05
25.2M
25.20 mi12:53:032:49:366:442:30
7:15
+0:31
Finish
26.22 mi12:59:362:56:096:436:33
6:26
-0:49

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

6:26 /mi

Average Pace

6:43 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:25

94% of race

Time at Steady Pace

9:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:24:1120:446:4020:44
6:40
#5205
10K
6.21 mi10:44:3941:126:3820:28
6:35
#4744
15K
9.32 mi11:05:191:01:526:3820:40
6:39
#4691
20K
12.43 mi11:26:021:22:356:3920:43
6:40
#4518
Half
13.11 mi11:30:321:27:056:394:30
6:36
#4508
25K
15.53 mi11:46:431:43:166:3916:11
6:40
#4350
30K
18.64 mi12:08:072:04:406:4121:24
6:53
#4214
20M
20.00 mi12:17:332:14:066:429:26
6:57
#4142
21M
21.00 mi12:24:472:21:206:447:14
7:14
#4071
35K
21.75 mi12:29:402:26:136:434:53
6:32
#3976
23M
23.00 mi12:38:092:34:426:448:29
6:47
#3853
24M
24.00 mi12:44:482:41:216:436:39
6:39
#3766
40K
24.85 mi12:50:332:47:066:435:45
6:44
#3680
25.2M
25.20 mi12:53:032:49:366:442:30
7:15
#3625
Finish
26.22 mi12:59:362:56:096:436:33
6:26
#3525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5205484748474666(Top 16%)4367(Top 27%)4367(Top 194%)
10K6.21 mi3.10 mi4744+4614441+4064441+4064379(Top 15%)4112(Top 26%)4112(Top 183%)
15K9.32 mi3.11 mi4691+534390+514390+514666(Top 16%)4367(Top 27%)4367(Top 194%)
20K12.43 mi3.11 mi4518+1734234+1564234+1564171(Top 15%)3913(Top 24%)3913(Top 174%)
Half13.11 mi0.68 mi4508+104224+104224+104391(Top 15%)4113(Top 26%)4113(Top 183%)
25K15.53 mi2.42 mi4350+1584079+1454079+1453951(Top 14%)3690(Top 23%)3690(Top 164%)
30K18.64 mi3.11 mi4214+1363946+1333946+1334007(Top 14%)3693(Top 23%)3693(Top 164%)
20M20.00 mi1.36 mi4142+723877+693877+693775(Top 13%)3474(Top 22%)3474(Top 155%)
21M21.00 mi1.00 mi4071+713810+673810+673299(Top 12%)3037(Top 19%)3037(Top 135%)
35K21.75 mi0.75 mi3976+953718+923718+922643(Top 9%)2462(Top 15%)2462(Top 110%)
23M23.00 mi1.25 mi3853+1233601+1173601+1172601(Top 9%)2404(Top 15%)2404(Top 107%)
24M24.00 mi1.00 mi3766+873518+833518+832738(Top 10%)2512(Top 16%)2512(Top 112%)
40K24.85 mi0.85 mi3680+863434+843434+842518(Top 9%)2300(Top 14%)2300(Top 102%)
25.2M25.20 mi0.35 mi3625+553382+523382+522376(Top 8%)2129(Top 13%)2129(Top 95%)
Finish26.22 mi1.02 mi3525+1003288+943288+942467(Top 9%)2247(Top 14%)2247(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4666

Males

4367

M40-44

4367

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4379

Males

4112

M40-44

4112

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4666

Males

4367

M40-44

4367

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4171

Males

3913

M40-44

3913

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4391

Males

4113

M40-44

4113

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3951

Males

3690

M40-44

3690

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

4007

Males

3693

M40-44

3693

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3775

Males

3474

M40-44

3474

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3299

Males

3037

M40-44

3037

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2643

Males

2462

M40-44

2462

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2601

Males

2404

M40-44

2404

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2738

Males

2512

M40-44

2512

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2518

Males

2300

M40-44

2300

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2376

Males

2129

M40-44

2129

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2467

Males

2247

M40-44

2247

Passing Analysis

Category:
Athletes Passed
2040
Passed By
360
Net Change
+1680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5205
5K → 10K49231+461#5205#4744
10K → 15K14390+53#4744#4691
15K → 20K20734+173#4691#4518
20K → Half2111+10#4518#4508
Half → 25K18022+158#4508#4350
25K → 30K20468+136#4350#4214
30K → 20M10533+72#4214#4142
20M → 21M9625+71#4142#4071
21M → 35K1005+95#4071#3976
35K → 23M13714+123#3976#3853
23M → 24M969+87#3853#3766
24M → 40K926+86#3766#3680
40K → 25.2M572+55#3680#3625
25.2M → Finish11010+100#3625#3525
TOTALS2040360+1680
📊

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