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BOSTON MARATHON 2025

James Icanovski

Bib: 4876•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:08
Rank: #1652
Start → 5K
19:08 | 6:10/mi
10K· 6.21 mi
38:20
Rank: #1722 (-70)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
57:29
Rank: #1688 (+34)
10K → 15K
19:09 | 6:10/mi
20K· 12.43 mi
1:16:36
Rank: #1587 (+101)
15K → 20K
19:07 | 6:09/mi
Half· 13.11 mi
1:20:47
Rank: #1591 (-4)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:35:45
Rank: #1525 (+66)
Half → 25K
14:58 | 6:10/mi
30K· 18.64 mi
1:55:48
Rank: #1541 (-16)
25K → 30K
20:03 | 6:27/mi
20M
2:04:43
Rank: #1537 (+4)
30K → 20M
8:55 | 6:34/mi
21M
2:11:37
Rank: #1528 (+9)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:16:22
Rank: #1518 (+10)
21M → 35K
4:45 | 6:21/mi
23M
2:24:33
Rank: #1487 (+31)
35K → 23M
8:11 | 6:32/mi
24M
2:30:55
Rank: #1460 (+27)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:36:35
Rank: #1457 (+3)
24M → 40K
5:40 | 6:38/mi
25.2M
2:39:21
Rank: #1498 (-41)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:48:51
Rank: #2043 (-545)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:47
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:28:04
Pace6:43 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0819:086:1019:08
6:10
-
10K
6.21 mi10:42:2038:206:1019:12
6:11
+0:01
15K
9.32 mi11:01:2957:296:1019:09
6:10
-0:01
20K
12.43 mi11:20:361:16:366:1019:07
6:09
-0:01
Half
13.11 mi11:24:471:20:476:104:11
6:08
-0:01
25K
15.53 mi11:39:451:35:456:1014:58
6:10
+0:02
30K
18.64 mi11:59:481:55:486:1320:03
6:27
+0:17
20M
20.00 mi12:08:432:04:436:148:55
6:34
+0:07
21M
21.00 mi12:15:372:11:376:166:54
6:54
+0:20
35K
21.75 mi12:20:222:16:226:164:45
6:21
-0:33
23M
23.00 mi12:28:332:24:336:178:11
6:32
+0:11
24M
24.00 mi12:34:552:30:556:176:22
6:22
-0:10
40K
24.85 mi12:40:352:36:356:185:40
6:38
+0:16
25.2M
25.20 mi12:43:212:39:216:192:46
8:01
+1:23
Finish
26.22 mi12:52:512:48:516:279:30
9:19
+1:18

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

6:08 /mi

Average Pace

6:27 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:29:41

89% of race

Time at Slower Pace

19:10

11% of race

Average Pace: 6:26 /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 mi10:23:0819:086:1019:08
6:10
#1652
10K
6.21 mi10:42:2038:206:1019:12
6:11
#1722
15K
9.32 mi11:01:2957:296:1019:09
6:10
#1688
20K
12.43 mi11:20:361:16:366:1019:07
6:09
#1587
Half
13.11 mi11:24:471:20:476:104:11
6:08
#1591
25K
15.53 mi11:39:451:35:456:1014:58
6:10
#1525
30K
18.64 mi11:59:481:55:486:1320:03
6:27
#1541
20M
20.00 mi12:08:432:04:436:148:55
6:34
#1537
21M
21.00 mi12:15:372:11:376:166:54
6:54
#1528
35K
21.75 mi12:20:222:16:226:164:45
6:21
#1518
23M
23.00 mi12:28:332:24:336:178:11
6:32
#1487
24M
24.00 mi12:34:552:30:556:176:22
6:22
#1460
40K
24.85 mi12:40:352:36:356:185:40
6:38
#1457
25.2M
25.20 mi12:43:212:39:216:192:46
8:01
#1498
Finish
26.22 mi12:52:512:48:516:279:30
9:19
#2043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1652157015701664(Top 6%)1580(Top 10%)1580(Top 28%)
10K6.21 mi3.10 mi1722-701637-671637-671806(Top 6%)1715(Top 11%)1715(Top 30%)
15K9.32 mi3.11 mi1688+341605+321605+321664(Top 6%)1580(Top 10%)1580(Top 28%)
20K12.43 mi3.11 mi1587+1011506+991506+991386(Top 5%)1313(Top 8%)1313(Top 23%)
Half13.11 mi0.68 mi1591-41509-31509-31662(Top 6%)1581(Top 10%)1581(Top 28%)
25K15.53 mi2.42 mi1525+661445+641445+641353(Top 5%)1282(Top 8%)1282(Top 23%)
30K18.64 mi3.11 mi1541-161460-151460-151782(Top 6%)1693(Top 11%)1693(Top 30%)
20M20.00 mi1.36 mi1537+41456+41456+41852(Top 7%)1752(Top 11%)1752(Top 31%)
21M21.00 mi1.00 mi1528+91446+101446+101873(Top 7%)1764(Top 11%)1764(Top 31%)
35K21.75 mi0.75 mi1518+101436+101436+101793(Top 6%)1682(Top 10%)1682(Top 30%)
23M23.00 mi1.25 mi1487+311406+301406+301580(Top 6%)1478(Top 9%)1478(Top 26%)
24M24.00 mi1.00 mi1460+271380+261380+261525(Top 5%)1424(Top 9%)1424(Top 25%)
40K24.85 mi0.85 mi1457+31376+41376+42052(Top 7%)1890(Top 12%)1890(Top 33%)
25.2M25.20 mi0.35 mi1498-411415-391415-395942(Top 21%)4668(Top 29%)4668(Top 83%)
Finish26.22 mi1.02 mi2043-5451938-5231938-52320443(Top 72%)12018(Top 75%)12018(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1664

Males

1580

M18-39

1580

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1806

Males

1715

M18-39

1715

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1664

Males

1580

M18-39

1580

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1386

Males

1313

M18-39

1313

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1662

Males

1581

M18-39

1581

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1353

Males

1282

M18-39

1282

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1782

Males

1693

M18-39

1693

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1852

Males

1752

M18-39

1752

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1873

Males

1764

M18-39

1764

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1793

Males

1682

M18-39

1682

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1580

Males

1478

M18-39

1478

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1525

Males

1424

M18-39

1424

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2052

Males

1890

M18-39

1890

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5942

Males

4668

M18-39

4668

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20443

Males

12018

M18-39

12018

Passing Analysis

Category:
Athletes Passed
610
Passed By
1001
Net Change
-391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1652
5K → 10K55125-70#1652#1722
10K → 15K7844+34#1722#1688
15K → 20K11211+101#1688#1587
20K → Half610-4#1587#1591
Half → 25K7610+66#1591#1525
25K → 30K5975-16#1525#1541
30K → 20M3935+4#1541#1537
20M → 21M3728+9#1537#1528
21M → 35K3020+10#1528#1518
35K → 23M5322+31#1518#1487
23M → 24M4215+27#1487#1460
24M → 40K2219+3#1460#1457
40K → 25.2M142-41#1457#1498
25.2M → Finish0545-545#1498#2043
TOTALS6101001-391
📊

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