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BOSTON MARATHON 2025

Brian Bibb

Bib: 21566•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
8:46/mi
27:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
55:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:22:54
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:51:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:57:19
↑ 19↓ 370.5%
25K· 15.53 mi
9:19/mi
2:19:55
↑ 66↓ 880.2%
30K· 18.64 mi
10:03/mi
2:51:09
↑ 181↓ 1480.2%
20M
10:35/mi
3:05:32
↑ 64↓ 500.2%
21M
12:13/mi
3:17:45
↑ 106↓ 241.6%
35K· 21.75 mi
10:48/mi
3:25:50
↑ 17↓ 861.7%
23M
11:03/mi
3:39:40
↑ 23↓ 630.6%
24M
11:10/mi
3:50:50
↓ 821.3%
40K· 24.85 mi
12:44/mi
4:01:43
↓ 200.3%
25.2M
13:32/mi
4:06:23
↑ 13↓ 160.2%
Finish· 26.22 mi
11:09/mi
4:17:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:19
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:20:26
Pace10:43 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3827:138:4627:13
8:46
-
10K
6.21 mi11:52:2755:028:5127:49
8:57
+0:11
15K
9.32 mi12:20:191:22:548:5427:52
8:58
+0:01
20K
12.43 mi12:48:371:51:128:5728:18
9:07
+0:09
Half
13.11 mi12:54:441:57:198:576:07
8:58
-0:09
25K
15.53 mi13:17:202:19:559:0022:36
9:19
+0:21
30K
18.64 mi13:48:342:51:099:1131:14
10:03
+0:44
20M
20.00 mi14:02:573:05:329:1714:23
10:35
+0:32
21M
21.00 mi14:15:103:17:459:2512:13
12:13
+1:38
35K
21.75 mi14:23:153:25:509:288:05
10:48
-1:25
23M
23.00 mi14:37:053:39:409:3313:50
11:03
+0:15
24M
24.00 mi14:48:153:50:509:3711:10
11:10
+0:07
40K
24.85 mi14:59:084:01:439:4410:53
12:44
+1:34
25.2M
25.20 mi15:03:484:06:239:474:40
13:32
+0:48
Finish
26.22 mi15:15:104:17:459:5011:22
11:09
-2:23

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

8:46 /mi

Average Pace

9:50 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:55

54% of race

Time at Steady Pace

1:30:04

35% of race

Time at Slower Pace

27:46

11% of race

Average Pace: 9:50 /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 mi11:24:3827:138:4627:13
8:46
#21309
10K
6.21 mi11:52:2755:028:5127:49
8:57
#21733
15K
9.32 mi12:20:191:22:548:5427:52
8:58
#21787
20K
12.43 mi12:48:371:51:128:5728:18
9:07
#21692
Half
13.11 mi12:54:441:57:198:576:07
8:58
#21689
25K
15.53 mi13:17:202:19:559:0022:36
9:19
#21588
30K
18.64 mi13:48:342:51:099:1131:14
10:03
#21673
20M
20.00 mi14:02:573:05:329:1714:23
10:35
#21785
21M
21.00 mi14:15:103:17:459:2512:13
12:13
#21967
35K
21.75 mi14:23:153:25:509:288:05
10:48
#22051
23M
23.00 mi14:37:053:39:409:3313:50
11:03
#22133
24M
24.00 mi14:48:153:50:509:3711:10
11:10
#22244
40K
24.85 mi14:59:084:01:439:4410:53
12:44
#22448
25.2M
25.20 mi15:03:484:06:239:474:40
13:32
#22534
Finish
26.22 mi15:15:104:17:459:5011:22
11:09
#22686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21309130061300621894(Top 77%)13352(Top 83%)13352(Top 1061%)
10K6.21 mi3.10 mi21733-42413212-20613212-20622171(Top 78%)13417(Top 83%)13417(Top 1066%)
15K9.32 mi3.11 mi21787-5413237-2513237-2521894(Top 77%)13352(Top 83%)13352(Top 1061%)
20K12.43 mi3.11 mi21692+9513200+3713200+3721482(Top 76%)13120(Top 81%)13120(Top 1042%)
Half13.11 mi0.68 mi21689+3132001320021667(Top 76%)13207(Top 82%)13207(Top 1049%)
25K15.53 mi2.42 mi21588+10113154+4613154+4621260(Top 75%)12969(Top 81%)12969(Top 1030%)
30K18.64 mi3.11 mi21673-8513169-1513169-1521747(Top 77%)13050(Top 81%)13050(Top 1037%)
20M20.00 mi1.36 mi21785-11213207-3813207-3822649(Top 80%)13363(Top 83%)13363(Top 1061%)
21M21.00 mi1.00 mi21967-18213260-5313260-5323949(Top 84%)13883(Top 86%)13883(Top 1103%)
35K21.75 mi0.75 mi22051-8413289-2913289-2923814(Top 84%)13799(Top 86%)13799(Top 1096%)
23M23.00 mi1.25 mi22133-8213282+713282+723340(Top 82%)13498(Top 84%)13498(Top 1072%)
24M24.00 mi1.00 mi22244-11113302-2013302-2024317(Top 86%)13975(Top 87%)13975(Top 1110%)
40K24.85 mi0.85 mi22448-20413386-8413386-8425969(Top 91%)14768(Top 92%)14768(Top 1173%)
25.2M25.20 mi0.35 mi22534-8613421-3513421-3525709(Top 91%)14591(Top 91%)14591(Top 1159%)
Finish26.22 mi1.02 mi22686-15213466-4513466-4525634(Top 90%)14590(Top 91%)14590(Top 1159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21894

Males

13352

M60-64

13352

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22171

Males

13417

M60-64

13417

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21894

Males

13352

M60-64

13352

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21482

Males

13120

M60-64

13120

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21667

Males

13207

M60-64

13207

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21260

Males

12969

M60-64

12969

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21747

Males

13050

M60-64

13050

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22649

Males

13363

M60-64

13363

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23949

Males

13883

M60-64

13883

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23814

Males

13799

M60-64

13799

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23340

Males

13498

M60-64

13498

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24317

Males

13975

M60-64

13975

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25969

Males

14768

M60-64

14768

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25709

Males

14591

M60-64

14591

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25634

Males

14590

M60-64

14590

Passing Analysis

Category:
Athletes Passed
1145
Passed By
2522
Net Change
-1377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21309
5K → 10K125549-424#21309#21733
10K → 15K181235-54#21733#21787
15K → 20K237142+95#21787#21692
20K → Half3431+3#21692#21689
Half → 25K18180+101#21689#21588
25K → 30K179264-85#21588#21673
30K → 20M50162-112#21673#21785
20M → 21M33215-182#21785#21967
21M → 35K17101-84#21967#22051
35K → 23M59141-82#22051#22133
23M → 24M25136-111#22133#22244
24M → 40K9213-204#22244#22448
40K → 25.2M389-86#22448#22534
25.2M → Finish12164-152#22534#22686
TOTALS11452522-1377
📊

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