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BOSTON MARATHON 2025

Mike Guarascio

Bib: 1506•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:23
Rank: #4266
Start → 5K
6:34/mi
20:23 split
10K· 6.21 mi
40:32
Rank: #3933 (+333)
5K → 10K
6:29/mi
20:09 split
15K· 9.32 mi
1:00:45
Rank: #3816 (+117)
10K → 15K
6:30/mi
20:13 split
20K· 12.43 mi
1:20:45
Rank: #3487 (+329)
15K → 20K
6:26/mi
20:00 split
Half· 13.11 mi
1:25:05
Rank: #3429 (+58)
20K → Half
6:21/mi
4:20 split
25K· 15.53 mi
1:40:40
Rank: #3257 (+172)
Half → 25K
6:26/mi
15:35 split
30K· 18.64 mi
2:00:55
Rank: #2952 (+305)
25K → 30K
6:31/mi
20:15 split
20M
2:09:50
Rank: #2817 (+135)
30K → 20M
6:34/mi
8:55 split
21M
2:16:37
Rank: #2704 (+113)
20M → 21M
6:47/mi
6:47 split
35K· 21.75 mi
2:21:19
Rank: #2624 (+80)
21M → 35K
6:17/mi
4:42 split
23M
2:29:26
Rank: #2503 (+121)
35K → 23M
6:29/mi
8:07 split
24M
2:35:47
Rank: #2417 (+86)
23M → 24M
6:21/mi
6:21 split
40K· 24.85 mi
2:41:14
Rank: #2335 (+82)
24M → 40K
6:22/mi
5:27 split
25.2M
2:43:41
Rank: #2320 (+15)
40K → 25.2M
7:06/mi
2:27 split
Finish· 26.22 mi
2:50:15
Rank: #2310 (+10)
25.2M → Finish
6:27/mi
6:34 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:05
Pace6:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:10
Pace6:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5320:236:3420:23
6:34
-
10K
6.21 mi10:41:0240:326:3120:09
6:29
-0:05
15K
9.32 mi11:01:151:00:456:3120:13
6:30
+0:01
20K
12.43 mi11:21:151:20:456:3020:00
6:26
-0:04
Half
13.11 mi11:25:351:25:056:294:20
6:21
-0:05
25K
15.53 mi11:41:101:40:406:2915:35
6:26
+0:05
30K
18.64 mi12:01:252:00:556:2920:15
6:31
+0:05
20M
20.00 mi12:10:202:09:506:298:55
6:34
+0:03
21M
21.00 mi12:17:072:16:376:306:47
6:47
+0:13
35K
21.75 mi12:21:492:21:196:304:42
6:17
-0:30
23M
23.00 mi12:29:562:29:266:308:07
6:29
+0:12
24M
24.00 mi12:36:172:35:476:296:21
6:21
-0:08
40K
24.85 mi12:41:442:41:146:295:27
6:22
+0:01
25.2M
25.20 mi12:44:112:43:416:302:27
7:06
+0:44
Finish
26.22 mi12:50:452:50:156:306:34
6:27
-0:39

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

6:17 /mi

Average Pace

6:30 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:48

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:20:5320:236:3420:23
6:34
#4266
10K
6.21 mi10:41:0240:326:3120:09
6:29
#3933
15K
9.32 mi11:01:151:00:456:3120:13
6:30
#3816
20K
12.43 mi11:21:151:20:456:3020:00
6:26
#3487
Half
13.11 mi11:25:351:25:056:294:20
6:21
#3429
25K
15.53 mi11:41:101:40:406:2915:35
6:26
#3257
30K
18.64 mi12:01:252:00:556:2920:15
6:31
#2952
20M
20.00 mi12:10:202:09:506:298:55
6:34
#2817
21M
21.00 mi12:17:072:16:376:306:47
6:47
#2704
35K
21.75 mi12:21:492:21:196:304:42
6:17
#2624
23M
23.00 mi12:29:562:29:266:308:07
6:29
#2503
24M
24.00 mi12:36:172:35:476:296:21
6:21
#2417
40K
24.85 mi12:41:442:41:146:295:27
6:22
#2335
25.2M
25.20 mi12:44:112:43:416:302:27
7:06
#2320
Finish
26.22 mi12:50:452:50:156:306:34
6:27
#2310
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4266401040103602(Top 13%)3402(Top 21%)3402(Top 151%)
10K6.21 mi3.10 mi3933+3333717+2933717+2933604(Top 13%)3409(Top 21%)3409(Top 152%)
15K9.32 mi3.11 mi3816+1173601+1163601+1163602(Top 13%)3402(Top 21%)3402(Top 151%)
20K12.43 mi3.11 mi3487+3293305+2963305+2962732(Top 10%)2602(Top 16%)2602(Top 116%)
Half13.11 mi0.68 mi3429+583251+543251+542753(Top 10%)2629(Top 16%)2629(Top 117%)
25K15.53 mi2.42 mi3257+1723101+1503101+1502493(Top 9%)2371(Top 15%)2371(Top 106%)
30K18.64 mi3.11 mi2952+3052812+2892812+2892050(Top 7%)1949(Top 12%)1949(Top 87%)
20M20.00 mi1.36 mi2817+1352683+1292683+1291862(Top 7%)1762(Top 11%)1762(Top 78%)
21M21.00 mi1.00 mi2704+1132575+1082575+1081480(Top 5%)1396(Top 9%)1396(Top 62%)
35K21.75 mi0.75 mi2624+802499+762499+761541(Top 5%)1451(Top 9%)1451(Top 65%)
23M23.00 mi1.25 mi2503+1212382+1172382+1171411(Top 5%)1328(Top 8%)1328(Top 59%)
24M24.00 mi1.00 mi2417+862299+832299+831481(Top 5%)1385(Top 9%)1385(Top 62%)
40K24.85 mi0.85 mi2335+822221+782221+781180(Top 4%)1102(Top 7%)1102(Top 49%)
25.2M25.20 mi0.35 mi2320+152204+172204+171791(Top 6%)1630(Top 10%)1630(Top 73%)
Finish26.22 mi1.02 mi2310+102192+122192+122507(Top 9%)2276(Top 14%)2276(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3602

Males

3402

M40-44

3402

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3604

Males

3409

M40-44

3409

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3602

Males

3402

M40-44

3402

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2732

Males

2602

M40-44

2602

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2753

Males

2629

M40-44

2629

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2493

Males

2371

M40-44

2371

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2050

Males

1949

M40-44

1949

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1862

Males

1762

M40-44

1762

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1480

Males

1396

M40-44

1396

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1541

Males

1451

M40-44

1451

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1411

Males

1328

M40-44

1328

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1481

Males

1385

M40-44

1385

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1180

Males

1102

M40-44

1102

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1791

Males

1630

M40-44

1630

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2507

Males

2276

M40-44

2276

Passing Analysis

Category:
Athletes Passed
2121
Passed By
165
Net Change
+1956
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4266
5K → 10K37542+333#4266#3933
10K → 15K15841+117#3933#3816
15K → 20K3334+329#3816#3487
20K → Half591+58#3487#3429
Half → 25K1808+172#3429#3257
25K → 30K32015+305#3257#2952
30K → 20M1361+135#2952#2817
20M → 21M1185+113#2817#2704
21M → 35K822+80#2704#2624
35K → 23M1254+121#2624#2503
23M → 24M893+86#2503#2417
24M → 40K831+82#2417#2335
40K → 25.2M227+15#2335#2320
25.2M → Finish4131+10#2320#2310
TOTALS2121165+1956
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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