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BOSTON MARATHON 2025

Ian Robertson

Bib: 2807•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:03
Rank: #1531
Start → 5K
19:03 | 6:08/mi
10K· 6.21 mi
38:02
Rank: #1522 (+9)
5K → 10K
18:59 | 6:07/mi
15K· 9.32 mi
56:48
Rank: #1377 (+145)
10K → 15K
18:46 | 6:02/mi
20K· 12.43 mi
1:15:42
Rank: #1286 (+91)
15K → 20K
18:54 | 6:05/mi
Half· 13.11 mi
1:19:48
Rank: #1277 (+9)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:34:39
Rank: #1252 (+25)
Half → 25K
14:51 | 6:07/mi
30K· 18.64 mi
1:53:44
Rank: #1128 (+124)
25K → 30K
19:05 | 6:09/mi
20M
2:02:13
Rank: #1076 (+52)
30K → 20M
8:29 | 6:15/mi
21M
2:08:51
Rank: #1048 (+28)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:13:38
Rank: #1069 (-21)
21M → 35K
4:47 | 6:24/mi
23M
2:22:27
Rank: #1149 (-80)
35K → 23M
8:49 | 7:03/mi
24M
2:29:11
Rank: #1198 (-49)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:35:12
Rank: #1265 (-67)
24M → 40K
6:01 | 7:02/mi
25.2M
2:37:37
Rank: #1257 (+8)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:43:55
Rank: #1247 (+10)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:48
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:24:07
Pace6:25 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4819:036:0819:03
6:08
-
10K
6.21 mi10:39:4738:026:0718:59
6:07
-0:01
15K
9.32 mi10:58:3356:486:0618:46
6:02
-0:05
20K
12.43 mi11:17:271:15:426:0518:54
6:05
+0:03
Half
13.11 mi11:21:331:19:486:054:06
6:01
-0:04
25K
15.53 mi11:36:241:34:396:0614:51
6:07
+0:06
30K
18.64 mi11:55:291:53:446:0619:05
6:09
+0:02
20M
20.00 mi12:03:582:02:136:078:29
6:15
+0:06
21M
21.00 mi12:10:362:08:516:086:38
6:38
+0:23
35K
21.75 mi12:15:232:13:386:094:47
6:24
-0:14
23M
23.00 mi12:24:122:22:276:128:49
7:03
+0:39
24M
24.00 mi12:30:562:29:116:136:44
6:44
-0:19
40K
24.85 mi12:36:572:35:126:156:01
7:02
+0:18
25.2M
25.20 mi12:39:222:37:376:152:25
7:00
-0:02
Finish
26.22 mi12:45:402:43:556:156:18
6:11
-0:49

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

6:01 /mi

Average Pace

6:15 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:18

81% of race

Time at Steady Pace

30:37

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:4819:036:0819:03
6:08
#1531
10K
6.21 mi10:39:4738:026:0718:59
6:07
#1522
15K
9.32 mi10:58:3356:486:0618:46
6:02
#1377
20K
12.43 mi11:17:271:15:426:0518:54
6:05
#1286
Half
13.11 mi11:21:331:19:486:054:06
6:01
#1277
25K
15.53 mi11:36:241:34:396:0614:51
6:07
#1252
30K
18.64 mi11:55:291:53:446:0619:05
6:09
#1128
20M
20.00 mi12:03:582:02:136:078:29
6:15
#1076
21M
21.00 mi12:10:362:08:516:086:38
6:38
#1048
35K
21.75 mi12:15:232:13:386:094:47
6:24
#1069
23M
23.00 mi12:24:122:22:276:128:49
7:03
#1149
24M
24.00 mi12:30:562:29:116:136:44
6:44
#1198
40K
24.85 mi12:36:572:35:126:156:01
7:02
#1265
25.2M
25.20 mi12:39:222:37:376:152:25
7:00
#1257
Finish
26.22 mi12:45:402:43:556:156:18
6:11
#1247
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1531145814581164(Top 4%)1102(Top 7%)1102(Top 20%)
10K6.21 mi3.10 mi1522+91446+121446+121501(Top 5%)1424(Top 9%)1424(Top 25%)
15K9.32 mi3.11 mi1377+1451307+1391307+1391164(Top 4%)1102(Top 7%)1102(Top 20%)
20K12.43 mi3.11 mi1286+911217+901217+901115(Top 4%)1051(Top 7%)1051(Top 19%)
Half13.11 mi0.68 mi1277+91209+81209+81180(Top 4%)1117(Top 7%)1117(Top 20%)
25K15.53 mi2.42 mi1252+251184+251184+251181(Top 4%)1115(Top 7%)1115(Top 20%)
30K18.64 mi3.11 mi1128+1241064+1201064+120774(Top 3%)726(Top 5%)726(Top 13%)
20M20.00 mi1.36 mi1076+521013+511013+51835(Top 3%)788(Top 5%)788(Top 14%)
21M21.00 mi1.00 mi1048+28987+26987+261008(Top 4%)953(Top 6%)953(Top 17%)
35K21.75 mi0.75 mi1069-211006-191006-191960(Top 7%)1834(Top 11%)1834(Top 33%)
23M23.00 mi1.25 mi1149-801083-771083-773971(Top 14%)3541(Top 22%)3541(Top 63%)
24M24.00 mi1.00 mi1198-491128-451128-453105(Top 11%)2801(Top 17%)2801(Top 50%)
40K24.85 mi0.85 mi1265-671190-621190-624078(Top 14%)3536(Top 22%)3536(Top 63%)
25.2M25.20 mi0.35 mi1257+81181+91181+91462(Top 5%)1333(Top 8%)1333(Top 24%)
Finish26.22 mi1.02 mi1247+101172+91172+91457(Top 5%)1355(Top 8%)1355(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1164

Males

1102

M18-39

1102

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1501

Males

1424

M18-39

1424

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1164

Males

1102

M18-39

1102

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1115

Males

1051

M18-39

1051

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1180

Males

1117

M18-39

1117

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1181

Males

1115

M18-39

1115

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

774

Males

726

M18-39

726

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

835

Males

788

M18-39

788

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1008

Males

953

M18-39

953

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1960

Males

1834

M18-39

1834

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3971

Males

3541

M18-39

3541

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3105

Males

2801

M18-39

2801

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4078

Males

3536

M18-39

3536

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1462

Males

1333

M18-39

1333

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1457

Males

1355

M18-39

1355

Passing Analysis

Category:
Athletes Passed
702
Passed By
418
Net Change
+284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1531
5K → 10K7970+9#1531#1522
10K → 15K1505+145#1522#1377
15K → 20K10211+91#1377#1286
20K → Half134+9#1286#1277
Half → 25K5328+25#1277#1252
25K → 30K1284+124#1252#1128
30K → 20M564+52#1128#1076
20M → 21M368+28#1076#1048
21M → 35K1233-21#1048#1069
35K → 23M1999-80#1069#1149
23M → 24M857-49#1149#1198
24M → 40K370-67#1198#1265
40K → 25.2M1810+8#1265#1257
25.2M → Finish2515+10#1257#1247
TOTALS702418+284
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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