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BOSTON MARATHON 2025

James O'Connor

MI

Bib: 24158 M

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
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:33/mi
32:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:48/mi
1:06:18
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:04/mi
1:40:40
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:35/mi
2:16:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:41/mi
2:24:36
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:58/mi
2:53:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:48/mi
3:33:22
↑ 181↓ 1480.2%
138 ft elev
20M
12:37/mi
3:50:31
↑ 64↓ 500.2%
148 ft elev
21M
13:28/mi
4:03:59
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:41/mi
4:13:28
↑ 17↓ 861.7%
156 ft elev
23M
13:59/mi
4:30:59
↑ 23↓ 630.6%
116 ft elev
24M
12:31/mi
4:43:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:37/mi
4:54:17
↓ 200.3%
20 ft elev
25.2M
13:46/mi
4:59:02
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:43/mi
5:10:58
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:24:3611:02 /mi⚡ faster
2nd Half
2:46:2212:41 /mi+15.1%
Positive split — 15.1% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:5532:4610:3332:46
10:33
-
10K
6.21 mi12:04:271:06:1810:4033:32
10:48
+0:15
15K
9.32 mi12:38:491:40:4010:4834:22
11:04
+0:16
20K
12.43 mi13:14:472:16:3811:0035:58
11:35
+0:31
Half
13.11 mi13:22:452:24:3611:027:58
11:41
+0:06
25K
15.53 mi13:51:462:53:3711:1129:01
11:58
+0:17
30K
18.64 mi14:31:313:33:2211:2739:45
12:48
+0:50
20M
20.00 mi14:48:403:50:3111:3217:09
12:37
-0:11
21M
21.00 mi15:02:084:03:5911:3713:28
13:28
+0:51
35K
21.75 mi15:11:374:13:2811:399:29
12:41
-0:47
23M
23.00 mi15:29:084:30:5911:4717:31
13:59
+1:18
24M
24.00 mi15:41:394:43:3011:4912:31
12:31
-1:28
40K
24.85 mi15:52:264:54:1711:5010:47
12:37
+0:06
25.2M
25.20 mi15:57:114:59:0211:524:45
13:46
+1:09
Finish
26.22 mi16:09:075:10:5811:5211:56
11:43
-2:03

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

10:33 /mi

Average Pace

11:52 /mi

Slowest Pace

13:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:33

60% of race

Time at Steady Pace

1:29:41

29% of race

Time at Slower Pace

35:44

11% of race

Average Pace: 11:52 /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 mi11:30:5532:4610:3332:46
10:33
#26866
10K
6.21 mi12:04:271:06:1810:4033:32
10:48
#26803
15K
9.32 mi12:38:491:40:4010:4834:22
11:04
#26793
20K
12.43 mi13:14:472:16:3811:0035:58
11:35
#26769
Half
13.11 mi13:22:452:24:3611:027:58
11:41
#26813
25K
15.53 mi13:51:462:53:3711:1129:01
11:58
#26750
30K
18.64 mi14:31:313:33:2211:2739:45
12:48
#26707
20M
20.00 mi14:48:403:50:3111:3217:09
12:37
#26681
21M
21.00 mi15:02:084:03:5911:3713:28
13:28
#26629
35K
21.75 mi15:11:374:13:2811:399:29
12:41
#26642
23M
23.00 mi15:29:084:30:5911:4717:31
13:59
#26710
24M
24.00 mi15:41:394:43:3011:4912:31
12:31
#26704
40K
24.85 mi15:52:264:54:1711:5010:47
12:37
#26689
25.2M
25.20 mi15:57:114:59:0211:524:45
13:46
#26692
Finish
26.22 mi16:09:075:10:5811:5211:56
11:43
#26689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi268661555015550267481545615456
10K6.21 mi3.10 mi26803+6315513+3715513+37267691548615486
15K9.32 mi3.11 mi26793+1015495+1815495+18267481545615456
20K12.43 mi3.11 mi26769+2415479+1615479+16267161542415424
Half13.11 mi0.68 mi26813-4415493-1415493-14272141560815608
25K15.53 mi2.42 mi26750+6315454+3915454+39264031525515255
30K18.64 mi3.11 mi26707+4315409+4515409+45264791519715197
20M20.00 mi1.36 mi26681+2615392+1715392+17260461494714947
21M21.00 mi1.00 mi26629+5215361+3115361+31256431470314703
35K21.75 mi0.75 mi26642-1315357+415357+4266611516915169
23M23.00 mi1.25 mi26710-6815373-1615373-16273191548415484
24M24.00 mi1.00 mi26704+615364+915364+9263291497814978
40K24.85 mi0.85 mi26689+1515350+1415350+14258171470414704
25.2M25.20 mi0.35 mi26692-31535015350260331476714767
Finish26.22 mi1.02 mi26689+315340+1015340+10264321501315013

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26748

Males

15456

M65-69

15456

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26769

Males

15486

M65-69

15486

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26748

Males

15456

M65-69

15456

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26716

Males

15424

M65-69

15424

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27214

Males

15608

M65-69

15608

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26403

Males

15255

M65-69

15255

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26479

Males

15197

M65-69

15197

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26046

Males

14947

M65-69

14947

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25643

Males

14703

M65-69

14703

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26661

Males

15169

M65-69

15169

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27319

Males

15484

M65-69

15484

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26329

Males

14978

M65-69

14978

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25817

Males

14704

M65-69

14704

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26033

Males

14767

M65-69

14767

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26432

Males

15013

M65-69

15013

Passing Analysis

Category:
Athletes Passed
903
Passed By
726
Net Change
+177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26866
5K → 10K195132+63#26866#26803
10K → 15K130120+10#26803#26793
15K → 20K11288+24#26793#26769
20K → Half852-44#26769#26813
Half → 25K10744+63#26813#26750
25K → 30K11168+43#26750#26707
30K → 20M4923+26#26707#26681
20M → 21M7018+52#26681#26629
21M → 35K2033-13#26629#26642
35K → 23M2391-68#26642#26710
23M → 24M2418+6#26710#26704
24M → 40K2914+15#26704#26689
40K → 25.2M36-3#26689#26692
25.2M → Finish2219+3#26692#26689
TOTALS903726+177

Passing Charts

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