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BOSTON MARATHON 2025

Christophe Guirao

Bib: 9008•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
9:03/mi
28:08
↑ 97↓ 3451.5%
10K· 6.21 mi
10:11/mi
59:45
↑ 79↓ 1380.4%
15K· 9.32 mi
10:31/mi
1:32:26
↑ 67↓ 78
20K· 12.43 mi
10:55/mi
2:06:20
↑ 106↓ 860.1%
Half· 13.11 mi
10:39/mi
2:13:36
↑ 19↓ 370.5%
25K· 15.53 mi
11:35/mi
2:41:40
↑ 66↓ 880.2%
30K· 18.64 mi
12:03/mi
3:19:05
↑ 181↓ 1480.2%
20M
11:57/mi
3:35:20
↑ 64↓ 500.2%
21M
12:55/mi
3:48:15
↑ 106↓ 241.6%
35K· 21.75 mi
11:32/mi
3:56:53
↑ 17↓ 861.7%
23M
12:08/mi
4:12:04
↑ 23↓ 630.6%
24M
11:39/mi
4:23:43
↓ 821.3%
40K· 24.85 mi
12:03/mi
4:34:01
↓ 200.3%
25.2M
13:44/mi
4:38:45
↑ 13↓ 160.2%
Finish· 26.22 mi
11:30/mi
4:50:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:36
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:36:52
Pace11:58 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:1528:089:0328:08
9:03
-
10K
6.21 mi11:29:5259:459:3731:37
10:11
+1:08
15K
9.32 mi12:02:331:32:269:5532:41
10:31
+0:20
20K
12.43 mi12:36:272:06:2010:1033:54
10:55
+0:24
Half
13.11 mi12:43:432:13:3610:117:16
10:39
-0:16
25K
15.53 mi13:11:472:41:4010:2428:04
11:35
+0:56
30K
18.64 mi13:49:123:19:0510:4137:25
12:03
+0:28
20M
20.00 mi14:05:273:35:2010:4616:15
11:57
-0:06
21M
21.00 mi14:18:223:48:1510:5212:55
12:55
+0:58
35K
21.75 mi14:27:003:56:5310:548:38
11:32
-1:23
23M
23.00 mi14:42:114:12:0410:5815:11
12:08
+0:36
24M
24.00 mi14:53:504:23:4310:5911:39
11:39
-0:29
40K
24.85 mi15:04:084:34:0111:0110:18
12:03
+0:24
25.2M
25.20 mi15:08:524:38:4511:044:44
13:44
+1:41
Finish
26.22 mi15:20:354:50:2811:0511:43
11:30
-2:14

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

9:03 /mi

Average Pace

11:05 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:36

46% of race

Time at Steady Pace

2:04:02

43% of race

Time at Slower Pace

32:50

11% of race

Average Pace: 11:05 /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 mi10:58:1528:089:0328:08
9:03
#22666
10K
6.21 mi11:29:5259:459:3731:37
10:11
#24495
15K
9.32 mi12:02:331:32:269:5532:41
10:31
#25087
20K
12.43 mi12:36:272:06:2010:1033:54
10:55
#25363
Half
13.11 mi12:43:432:13:3610:117:16
10:39
#25397
25K
15.53 mi13:11:472:41:4010:2428:04
11:35
#25532
30K
18.64 mi13:49:123:19:0510:4137:25
12:03
#25556
20M
20.00 mi14:05:273:35:2010:4616:15
11:57
#25526
21M
21.00 mi14:18:223:48:1510:5212:55
12:55
#25502
35K
21.75 mi14:27:003:56:5310:548:38
11:32
#25490
23M
23.00 mi14:42:114:12:0410:5815:11
12:08
#25498
24M
24.00 mi14:53:504:23:4310:5911:39
11:39
#25493
40K
24.85 mi15:04:084:34:0111:0110:18
12:03
#25481
25.2M
25.20 mi15:08:524:38:4511:044:44
13:44
#25501
Finish
26.22 mi15:20:354:50:2811:0511:43
11:30
#25549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22666136121361225979(Top 91%)15136(Top 94%)15136(Top 918%)
10K6.21 mi3.10 mi24495-182914486-87414486-87425697(Top 90%)15001(Top 93%)15001(Top 910%)
15K9.32 mi3.11 mi25087-59214755-26914755-26925979(Top 91%)15136(Top 94%)15136(Top 918%)
20K12.43 mi3.11 mi25363-27614857-10214857-10225865(Top 91%)15065(Top 94%)15065(Top 914%)
Half13.11 mi0.68 mi25397-3414880-2314880-2326019(Top 92%)15112(Top 94%)15112(Top 917%)
25K15.53 mi2.42 mi25532-13514930-5014930-5025956(Top 91%)15048(Top 93%)15048(Top 913%)
30K18.64 mi3.11 mi25556-2414896+3414896+3425656(Top 90%)14831(Top 92%)14831(Top 900%)
20M20.00 mi1.36 mi25526+3014874+2214874+2225196(Top 89%)14551(Top 90%)14551(Top 883%)
21M21.00 mi1.00 mi25502+2414858+1614858+1624945(Top 88%)14342(Top 89%)14342(Top 870%)
35K21.75 mi0.75 mi25490+1214841+1714841+1725158(Top 89%)14423(Top 90%)14423(Top 875%)
23M23.00 mi1.25 mi25498-814826+1514826+1525300(Top 89%)14479(Top 90%)14479(Top 879%)
24M24.00 mi1.00 mi25493+514817+914817+925160(Top 89%)14385(Top 89%)14385(Top 873%)
40K24.85 mi0.85 mi25481+1214800+1714800+1725001(Top 88%)14264(Top 89%)14264(Top 866%)
25.2M25.20 mi0.35 mi25501-2014805-514805-525963(Top 91%)14732(Top 91%)14732(Top 894%)
Finish26.22 mi1.02 mi25549-4814816-1114816-1126135(Top 92%)14855(Top 92%)14855(Top 901%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25979

Males

15136

M55-59

15136

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25697

Males

15001

M55-59

15001

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25979

Males

15136

M55-59

15136

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25865

Males

15065

M55-59

15065

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26019

Males

15112

M55-59

15112

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25956

Males

15048

M55-59

15048

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25656

Males

14831

M55-59

14831

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25196

Males

14551

M55-59

14551

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

24945

Males

14342

M55-59

14342

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25158

Males

14423

M55-59

14423

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25300

Males

14479

M55-59

14479

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25160

Males

14385

M55-59

14385

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25001

Males

14264

M55-59

14264

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25963

Males

14732

M55-59

14732

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

26135

Males

14855

M55-59

14855

Passing Analysis

Category:
Athletes Passed
569
Passed By
3452
Net Change
-2883
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22666
5K → 10K111840-1829#22666#24495
10K → 15K26618-592#24495#25087
15K → 20K49325-276#25087#25363
20K → Half1448-34#25363#25397
Half → 25K62197-135#25397#25532
25K → 30K111135-24#25532#25556
30K → 20M7242+30#25556#25526
20M → 21M4723+24#25526#25502
21M → 35K3321+12#25502#25490
35K → 23M3947-8#25490#25498
23M → 24M4641+5#25498#25493
24M → 40K3624+12#25493#25481
40K → 25.2M828-20#25481#25501
25.2M → Finish1563-48#25501#25549
TOTALS5693452-2883
📊

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