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BOSTON MARATHON 2025

Ian Saunders

Bib: 8050•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
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
19:40
Rank: #2620
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:13
Rank: #2492 (+128)
5K → 10K
19:33 | 6:18/mi
15K· 9.32 mi
59:33
Rank: #2921 (-429)
10K → 15K
20:20 | 6:33/mi
20K· 12.43 mi
1:19:05
Rank: #2625 (+296)
15K → 20K
19:32 | 6:17/mi
Half· 13.11 mi
1:23:22
Rank: #2612 (+13)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:43
Rank: #2478 (+134)
Half → 25K
15:21 | 6:20/mi
30K· 18.64 mi
1:59:08
Rank: #2391 (+87)
25K → 30K
20:25 | 6:34/mi
20M
2:08:08
Rank: #2347 (+44)
30K → 20M
9:00 | 6:37/mi
21M
2:15:14
Rank: #2332 (+15)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:20:04
Rank: #2316 (+16)
21M → 35K
4:50 | 6:28/mi
23M
2:28:23
Rank: #2270 (+46)
35K → 23M
8:19 | 6:39/mi
24M
2:34:52
Rank: #2230 (+40)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:40:43
Rank: #2236 (-6)
24M → 40K
5:51 | 6:51/mi
25.2M
2:43:21
Rank: #2257 (-21)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:49:53
Rank: #2251 (+6)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:22
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5319:406:2019:40
6:20
-
10K
6.21 mi10:46:2639:136:1919:33
6:18
-0:02
15K
9.32 mi11:06:4659:336:2320:20
6:33
+0:15
20K
12.43 mi11:26:181:19:056:2219:32
6:17
-0:16
Half
13.11 mi11:30:351:23:226:224:17
6:17
0:00
25K
15.53 mi11:45:561:38:436:2115:21
6:20
+0:03
30K
18.64 mi12:06:211:59:086:2320:25
6:34
+0:14
20M
20.00 mi12:15:212:08:086:249:00
6:37
+0:03
21M
21.00 mi12:22:272:15:146:267:06
7:06
+0:29
35K
21.75 mi12:27:172:20:046:264:50
6:28
-0:38
23M
23.00 mi12:35:362:28:236:278:19
6:39
+0:11
24M
24.00 mi12:42:052:34:526:276:29
6:29
-0:10
40K
24.85 mi12:47:562:40:436:285:51
6:51
+0:22
25.2M
25.20 mi12:50:342:43:216:292:38
7:38
+0:47
Finish
26.22 mi12:57:062:49:536:296:32
6:25
-1:13

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

6:29 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:22

26% of race

Time at Steady Pace

1:50:56

65% of race

Time at Slower Pace

15:35

9% of race

Average Pace: 6:29 /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 mi10:26:5319:406:2019:40
6:20
#2620
10K
6.21 mi10:46:2639:136:1919:33
6:18
#2492
15K
9.32 mi11:06:4659:336:2320:20
6:33
#2921
20K
12.43 mi11:26:181:19:056:2219:32
6:17
#2625
Half
13.11 mi11:30:351:23:226:224:17
6:17
#2612
25K
15.53 mi11:45:561:38:436:2115:21
6:20
#2478
30K
18.64 mi12:06:211:59:086:2320:25
6:34
#2391
20M
20.00 mi12:15:212:08:086:249:00
6:37
#2347
21M
21.00 mi12:22:272:15:146:267:06
7:06
#2332
35K
21.75 mi12:27:172:20:046:264:50
6:28
#2316
23M
23.00 mi12:35:362:28:236:278:19
6:39
#2270
24M
24.00 mi12:42:052:34:526:276:29
6:29
#2230
40K
24.85 mi12:47:562:40:436:285:51
6:51
#2236
25.2M
25.20 mi12:50:342:43:216:292:38
7:38
#2257
Finish
26.22 mi12:57:062:49:536:296:32
6:25
#2251
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2620249524953822(Top 13%)3606(Top 22%)3606(Top 160%)
10K6.21 mi3.10 mi2492+1282374+1212374+1212367(Top 8%)2264(Top 14%)2264(Top 101%)
15K9.32 mi3.11 mi2921-4292784-4102784-4103822(Top 13%)3606(Top 22%)3606(Top 160%)
20K12.43 mi3.11 mi2625+2962505+2792505+2791949(Top 7%)1856(Top 12%)1856(Top 83%)
Half13.11 mi0.68 mi2612+132493+122493+122370(Top 8%)2267(Top 14%)2267(Top 101%)
25K15.53 mi2.42 mi2478+1342365+1282365+1282019(Top 7%)1923(Top 12%)1923(Top 86%)
30K18.64 mi3.11 mi2391+872280+852280+852277(Top 8%)2156(Top 13%)2156(Top 96%)
20M20.00 mi1.36 mi2347+442238+422238+422110(Top 7%)1997(Top 12%)1997(Top 89%)
21M21.00 mi1.00 mi2332+152223+152223+152656(Top 9%)2466(Top 15%)2466(Top 110%)
35K21.75 mi0.75 mi2316+162206+172206+172254(Top 8%)2106(Top 13%)2106(Top 94%)
23M23.00 mi1.25 mi2270+462162+442162+441997(Top 7%)1867(Top 12%)1867(Top 83%)
24M24.00 mi1.00 mi2230+402121+412121+411962(Top 7%)1819(Top 11%)1819(Top 81%)
40K24.85 mi0.85 mi2236-62126-52126-53016(Top 11%)2712(Top 17%)2712(Top 121%)
25.2M25.20 mi0.35 mi2257-212144-182144-183955(Top 14%)3371(Top 21%)3371(Top 150%)
Finish26.22 mi1.02 mi2251+62136+82136+82348(Top 8%)2140(Top 13%)2140(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3822

Males

3606

M40-44

3606

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2367

Males

2264

M40-44

2264

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3822

Males

3606

M40-44

3606

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1949

Males

1856

M40-44

1856

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2370

Males

2267

M40-44

2267

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2019

Males

1923

M40-44

1923

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2277

Males

2156

M40-44

2156

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2110

Males

1997

M40-44

1997

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2656

Males

2466

M40-44

2466

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2254

Males

2106

M40-44

2106

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1997

Males

1867

M40-44

1867

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1962

Males

1819

M40-44

1819

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3016

Males

2712

M40-44

2712

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3955

Males

3371

M40-44

3371

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2348

Males

2140

M40-44

2140

Passing Analysis

Category:
Athletes Passed
1135
Passed By
766
Net Change
+369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2620
5K → 10K18052+128#2620#2492
10K → 15K16445-429#2492#2921
15K → 20K3004+296#2921#2625
20K → Half218+13#2625#2612
Half → 25K1428+134#2612#2478
25K → 30K13851+87#2478#2391
30K → 20M6016+44#2391#2347
20M → 21M4530+15#2347#2332
21M → 35K2913+16#2332#2316
35K → 23M6317+46#2316#2270
23M → 24M6222+40#2270#2230
24M → 40K2935-6#2230#2236
40K → 25.2M1233-21#2236#2257
25.2M → Finish3832+6#2257#2251
TOTALS1135766+369
📊

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