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BOSTON MARATHON 2025

Iury Siroli

Bib: 1934•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:53
Rank: #1330
Start → 5K
18:53 | 6:05/mi
10K· 6.21 mi
37:36
Rank: #1225 (+105)
5K → 10K
18:43 | 6:01/mi
15K· 9.32 mi
56:31
Rank: #1244 (-19)
10K → 15K
18:55 | 6:05/mi
20K· 12.43 mi
1:15:27
Rank: #1204 (+40)
15K → 20K
18:56 | 6:06/mi
Half· 13.11 mi
1:19:30
Rank: #1187 (+17)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:34:04
Rank: #1107 (+80)
Half → 25K
14:34 | 6:00/mi
30K· 18.64 mi
1:52:57
Rank: #990 (+117)
25K → 30K
18:53 | 6:05/mi
20M
2:01:11
Rank: #916 (+74)
30K → 20M
8:14 | 6:04/mi
21M
2:07:33
Rank: #861 (+55)
20M → 21M
6:22 | 6:22/mi
35K· 21.75 mi
2:11:55
Rank: #831 (+30)
21M → 35K
4:22 | 5:50/mi
23M
2:19:32
Rank: #791 (+40)
35K → 23M
7:37 | 6:05/mi
24M
2:25:32
Rank: #763 (+28)
23M → 24M
6:00 | 6:00/mi
40K· 24.85 mi
2:30:44
Rank: #734 (+29)
24M → 40K
5:12 | 6:05/mi
25.2M
2:32:59
Rank: #723 (+11)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:38:32
Rank: #680 (+43)
25.2M → Finish
5:33 | 5:27/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:19:30
Pace6:04 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:02
Pace6:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2318:536:0518:53
6:05
-
10K
6.21 mi10:38:0637:366:0318:43
6:01
-0:04
15K
9.32 mi10:57:0156:316:0418:55
6:05
+0:04
20K
12.43 mi11:15:571:15:276:0418:56
6:06
+0:01
Half
13.11 mi11:20:001:19:306:044:03
5:56
-0:10
25K
15.53 mi11:34:341:34:046:0314:34
6:00
+0:04
30K
18.64 mi11:53:271:52:576:0418:53
6:05
+0:05
20M
20.00 mi12:01:412:01:116:048:14
6:04
-0:01
21M
21.00 mi12:08:032:07:336:046:22
6:22
+0:18
35K
21.75 mi12:12:252:11:556:044:22
5:50
-0:32
23M
23.00 mi12:20:022:19:326:047:37
6:05
+0:15
24M
24.00 mi12:26:022:25:326:046:00
6:00
-0:05
40K
24.85 mi12:31:142:30:446:045:12
6:05
+0:05
25.2M
25.20 mi12:33:292:32:596:042:15
6:31
+0:26
Finish
26.22 mi12:39:022:38:326:035:33
5:27
-1:04

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

5:27 /mi

Average Pace

6:03 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:58

9% of race

Time at Steady Pace

2:22:19

90% of race

Time at Slower Pace

2:15

1% of race

Average Pace: 6:03 /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 mi10:19:2318:536:0518:53
6:05
#1330
10K
6.21 mi10:38:0637:366:0318:43
6:01
#1225
15K
9.32 mi10:57:0156:316:0418:55
6:05
#1244
20K
12.43 mi11:15:571:15:276:0418:56
6:06
#1204
Half
13.11 mi11:20:001:19:306:044:03
5:56
#1187
25K
15.53 mi11:34:341:34:046:0314:34
6:00
#1107
30K
18.64 mi11:53:271:52:576:0418:53
6:05
#990
20M
20.00 mi12:01:412:01:116:048:14
6:04
#916
21M
21.00 mi12:08:032:07:336:046:22
6:22
#861
35K
21.75 mi12:12:252:11:556:044:22
5:50
#831
23M
23.00 mi12:20:022:19:326:047:37
6:05
#791
24M
24.00 mi12:26:022:25:326:046:00
6:00
#763
40K
24.85 mi12:31:142:30:446:045:12
6:05
#734
25.2M
25.20 mi12:33:292:32:596:042:15
6:31
#723
Finish
26.22 mi12:39:022:38:326:035:33
5:27
#680
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1330126512651319(Top 5%)1252(Top 8%)1252(Top 22%)
10K6.21 mi3.10 mi1225+1051162+1031162+1031164(Top 4%)1102(Top 7%)1102(Top 20%)
15K9.32 mi3.11 mi1244-191181-191181-191319(Top 5%)1252(Top 8%)1252(Top 22%)
20K12.43 mi3.11 mi1204+401142+391142+391148(Top 4%)1084(Top 7%)1084(Top 19%)
Half13.11 mi0.68 mi1187+171125+171125+17909(Top 3%)859(Top 5%)859(Top 15%)
25K15.53 mi2.42 mi1107+801046+791046+79824(Top 3%)773(Top 5%)773(Top 14%)
30K18.64 mi3.11 mi990+117933+113933+113632(Top 2%)590(Top 4%)590(Top 10%)
20M20.00 mi1.36 mi916+74862+71862+71478(Top 2%)448(Top 3%)448(Top 8%)
21M21.00 mi1.00 mi861+55810+52810+52459(Top 2%)433(Top 3%)433(Top 8%)
35K21.75 mi0.75 mi831+30780+30780+30430(Top 2%)402(Top 2%)402(Top 7%)
23M23.00 mi1.25 mi791+40742+38742+38460(Top 2%)433(Top 3%)433(Top 8%)
24M24.00 mi1.00 mi763+28714+28714+28580(Top 2%)543(Top 3%)543(Top 10%)
40K24.85 mi0.85 mi734+29685+29685+29508(Top 2%)474(Top 3%)474(Top 8%)
25.2M25.20 mi0.35 mi723+11674+11674+11482(Top 2%)447(Top 3%)447(Top 8%)
Finish26.22 mi1.02 mi680+43631+43631+43115(Top 0.4%)110(Top 0.7%)110(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1319

Males

1252

M18-39

1252

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1164

Males

1102

M18-39

1102

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1319

Males

1252

M18-39

1252

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1148

Males

1084

M18-39

1084

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

909

Males

859

M18-39

859

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

824

Males

773

M18-39

773

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

632

Males

590

M18-39

590

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

478

Males

448

M18-39

448

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

459

Males

433

M18-39

433

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

430

Males

402

M18-39

402

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

460

Males

433

M18-39

433

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

580

Males

543

M18-39

543

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

508

Males

474

M18-39

474

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

482

Males

447

M18-39

447

25.2M→Finish

25.2 - 26.2 mi

Top 0.4%
×2stories
+22ft-21ft

Overall

115

Males

110

M18-39

110

Passing Analysis

Category:
Athletes Passed
760
Passed By
110
Net Change
+650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1330
5K → 10K12217+105#1330#1225
10K → 15K3251-19#1225#1244
15K → 20K6323+40#1244#1204
20K → Half181+17#1204#1187
Half → 25K833+80#1187#1107
25K → 30K1258+117#1107#990
30K → 20M751+74#990#916
20M → 21M561+55#916#861
21M → 35K300+30#861#831
35K → 23M411+40#831#791
23M → 24M302+28#791#763
24M → 40K312+29#763#734
40K → 25.2M110+11#734#723
25.2M → Finish430+43#723#680
TOTALS760110+650
📊

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