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BOSTON MARATHON 2025

Greg Field

Bib: 23941•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 29%
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
8:23/mi
26:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:18:07
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:44:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:50:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:11:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:39:15
↑ 181↓ 1480.2%
20M
9:22/mi
2:51:59
↑ 64↓ 500.2%
21M
10:23/mi
3:02:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:08:59
↑ 17↓ 861.7%
23M
9:34/mi
3:20:58
↑ 23↓ 630.6%
24M
9:36/mi
3:30:34
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:38:38
↓ 200.3%
25.2M
10:38/mi
3:42:18
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
3:52:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:02:00
Pace9:18 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3726:028:2326:02
8:23
-
10K
6.21 mi11:49:3451:598:2225:57
8:21
-0:02
15K
9.32 mi12:15:421:18:078:2326:08
8:25
+0:04
20K
12.43 mi12:42:031:44:288:2426:21
8:29
+0:04
Half
13.11 mi12:47:481:50:138:245:45
8:26
-0:03
25K
15.53 mi13:08:442:11:098:2720:56
8:38
+0:12
30K
18.64 mi13:36:502:39:158:3328:06
9:03
+0:25
20M
20.00 mi13:49:342:51:598:3612:44
9:22
+0:19
21M
21.00 mi13:59:573:02:228:4110:23
10:23
+1:01
35K
21.75 mi14:06:343:08:598:416:37
8:51
-1:32
23M
23.00 mi14:18:333:20:588:4411:59
9:34
+0:43
24M
24.00 mi14:28:093:30:348:469:36
9:36
+0:02
40K
24.85 mi14:36:133:38:388:488:04
9:26
-0:10
25.2M
25.20 mi14:39:533:42:188:493:40
10:38
+1:12
Finish
26.22 mi14:49:483:52:138:529:55
9:44
-0:54

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

8:21 /mi

Average Pace

8:52 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:09

56% of race

Time at Steady Pace

47:27

20% of race

Time at Slower Pace

53:37

23% of race

Average Pace: 8:51 /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 mi11:23:3726:028:2326:02
8:23
#19176
10K
6.21 mi11:49:3451:598:2225:57
8:21
#19032
15K
9.32 mi12:15:421:18:078:2326:08
8:25
#18916
20K
12.43 mi12:42:031:44:288:2426:21
8:29
#18692
Half
13.11 mi12:47:481:50:138:245:45
8:26
#18682
25K
15.53 mi13:08:442:11:098:2720:56
8:38
#18545
30K
18.64 mi13:36:502:39:158:3328:06
9:03
#18401
20M
20.00 mi13:49:342:51:598:3612:44
9:22
#18423
21M
21.00 mi13:59:573:02:228:4110:23
10:23
#18518
35K
21.75 mi14:06:343:08:598:416:37
8:51
#18480
23M
23.00 mi14:18:333:20:588:4411:59
9:34
#18509
24M
24.00 mi14:28:093:30:348:469:36
9:36
#18601
40K
24.85 mi14:36:133:38:388:488:04
9:26
#18592
25.2M
25.20 mi14:39:533:42:188:493:40
10:38
#18613
Finish
26.22 mi14:49:483:52:138:529:55
9:44
#18784
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19176121141211418771(Top 66%)11951(Top 74%)11951(Top 1870%)
10K6.21 mi3.10 mi19032+14412053+6112053+6118883(Top 66%)12014(Top 75%)12014(Top 1880%)
15K9.32 mi3.11 mi18916+11611999+5411999+5418771(Top 66%)11951(Top 74%)11951(Top 1870%)
20K12.43 mi3.11 mi18692+22411906+9311906+9318101(Top 64%)11654(Top 72%)11654(Top 1824%)
Half13.11 mi0.68 mi18682+1011905+111905+118710(Top 66%)11919(Top 74%)11919(Top 1865%)
25K15.53 mi2.42 mi18545+13711827+7811827+7818003(Top 63%)11527(Top 72%)11527(Top 1804%)
30K18.64 mi3.11 mi18401+14411744+8311744+8317903(Top 63%)11325(Top 70%)11325(Top 1772%)
20M20.00 mi1.36 mi18423-2211718+2611718+2618605(Top 66%)11500(Top 71%)11500(Top 1800%)
21M21.00 mi1.00 mi18518-9511732-1411732-1419632(Top 69%)11875(Top 74%)11875(Top 1858%)
35K21.75 mi0.75 mi18480+3811701+3111701+3117463(Top 61%)10813(Top 67%)10813(Top 1692%)
23M23.00 mi1.25 mi18509-2911687+1411687+1418970(Top 67%)11424(Top 71%)11424(Top 1788%)
24M24.00 mi1.00 mi18601-9211701-1411701-1419970(Top 70%)11853(Top 74%)11853(Top 1855%)
40K24.85 mi0.85 mi18592+911668+3311668+3318423(Top 65%)11030(Top 68%)11030(Top 1726%)
25.2M25.20 mi0.35 mi18613-2111664+411664+419450(Top 68%)11524(Top 72%)11524(Top 1803%)
Finish26.22 mi1.02 mi18784-17111721-5711721-5722009(Top 77%)12790(Top 79%)12790(Top 2002%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18771

Males

11951

M65-69

11951

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18883

Males

12014

M65-69

12014

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18771

Males

11951

M65-69

11951

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18101

Males

11654

M65-69

11654

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18710

Males

11919

M65-69

11919

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

18003

Males

11527

M65-69

11527

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17903

Males

11325

M65-69

11325

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18605

Males

11500

M65-69

11500

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19632

Males

11875

M65-69

11875

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17463

Males

10813

M65-69

10813

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

18970

Males

11424

M65-69

11424

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19970

Males

11853

M65-69

11853

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18423

Males

11030

M65-69

11030

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19450

Males

11524

M65-69

11524

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

22009

Males

12790

M65-69

12790

Passing Analysis

Category:
Athletes Passed
1981
Passed By
1589
Net Change
+392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19176
5K → 10K339195+144#19176#19032
10K → 15K251135+116#19032#18916
15K → 20K30177+224#18916#18692
20K → Half4535+10#18692#18682
Half → 25K22386+137#18682#18545
25K → 30K308164+144#18545#18401
30K → 20M101123-22#18401#18423
20M → 21M78173-95#18423#18518
21M → 35K7436+38#18518#18480
35K → 23M97126-29#18480#18509
23M → 24M41133-92#18509#18601
24M → 40K8677+9#18601#18592
40K → 25.2M2041-21#18592#18613
25.2M → Finish17188-171#18613#18784
TOTALS19811589+392
📊

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