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BOSTON MARATHON 2025

Afshin Ghassemi

Bib: 27404•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:03
Rank: #17097
Start → 5K
8:04/mi
25:03 split
10K· 6.21 mi
49:32
Rank: #16271 (+826)
5K → 10K
7:53/mi
24:29 split
15K· 9.32 mi
1:14:25
Rank: #16204 (+67)
10K → 15K
8:01/mi
24:53 split
20K· 12.43 mi
1:39:44
Rank: #16129 (+75)
15K → 20K
8:09/mi
25:19 split
Half· 13.11 mi
1:45:29
Rank: #16272 (-143)
20K → Half
8:26/mi
5:45 split
25K· 15.53 mi
2:06:20
Rank: #16525 (-253)
Half → 25K
8:36/mi
20:51 split
30K· 18.64 mi
2:36:04
Rank: #17275 (-750)
25K → 30K
9:34/mi
29:44 split
20M
2:49:17
Rank: #17546 (-271)
30K → 20M
9:44/mi
13:13 split
21M
3:00:50
Rank: #18074 (-528)
20M → 21M
11:33/mi
11:33 split
35K· 21.75 mi
3:08:32
Rank: #18345 (-271)
21M → 35K
10:18/mi
7:42 split
23M
3:22:28
Rank: #18888 (-543)
35K → 23M
11:08/mi
13:56 split
24M
3:32:59
Rank: #19163 (-275)
23M → 24M
10:31/mi
10:31 split
40K· 24.85 mi
3:42:33
Rank: #19441 (-278)
24M → 40K
11:11/mi
9:34 split
25.2M
3:46:48
Rank: #19563 (-122)
40K → 25.2M
12:19/mi
4:15 split
Finish· 26.22 mi
3:57:00
Rank: #19739 (-176)
25.2M → Finish
10:01/mi
10:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:11:31
Pace10:02 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:4625:038:0425:03
8:04
-
10K
6.21 mi12:06:1549:327:5824:29
7:53
-0:11
15K
9.32 mi12:31:081:14:257:5924:53
8:01
+0:08
20K
12.43 mi12:56:271:39:448:0225:19
8:09
+0:08
Half
13.11 mi13:02:121:45:298:035:45
8:26
+0:17
25K
15.53 mi13:23:032:06:208:0820:51
8:36
+0:10
30K
18.64 mi13:52:472:36:048:2229:44
9:34
+0:58
20M
20.00 mi14:06:002:49:178:2813:13
9:44
+0:10
21M
21.00 mi14:17:333:00:508:3711:33
11:33
+1:49
35K
21.75 mi14:25:153:08:328:407:42
10:18
-1:15
23M
23.00 mi14:39:113:22:288:4813:56
11:08
+0:50
24M
24.00 mi14:49:423:32:598:5210:31
10:31
-0:37
40K
24.85 mi14:59:163:42:338:579:34
11:11
+0:40
25.2M
25.20 mi15:03:313:46:489:004:15
12:19
+1:08
Finish
26.22 mi15:13:433:57:009:0310:12
10:01
-2:18

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

7:53 /mi

Average Pace

9:03 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:20

53% of race

Time at Steady Pace

1:00:51

26% of race

Time at Slower Pace

49:49

21% of race

Average Pace: 9:02 /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 mi11:41:4625:038:0425:03
8:04
#17097
10K
6.21 mi12:06:1549:327:5824:29
7:53
#16271
15K
9.32 mi12:31:081:14:257:5924:53
8:01
#16204
20K
12.43 mi12:56:271:39:448:0225:19
8:09
#16129
Half
13.11 mi13:02:121:45:298:035:45
8:26
#16272
25K
15.53 mi13:23:032:06:208:0820:51
8:36
#16525
30K
18.64 mi13:52:472:36:048:2229:44
9:34
#17275
20M
20.00 mi14:06:002:49:178:2813:13
9:44
#17546
21M
21.00 mi14:17:333:00:508:3711:33
11:33
#18074
35K
21.75 mi14:25:153:08:328:407:42
10:18
#18345
23M
23.00 mi14:39:113:22:288:4813:56
11:08
#18888
24M
24.00 mi14:49:423:32:598:5210:31
10:31
#19163
40K
24.85 mi14:59:163:42:338:579:34
11:11
#19441
25.2M
25.20 mi15:03:313:46:489:004:15
12:19
#19563
Finish
26.22 mi15:13:433:57:009:0310:12
10:01
#19739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi17097112541125416109(Top 57%)10859(Top 67%)10859(Top 483%)
10K6.21 mi3.10 mi16271+82610917+33710917+33715527(Top 55%)10639(Top 66%)10639(Top 473%)
15K9.32 mi3.11 mi16204+6710902+1510902+1516109(Top 57%)10859(Top 67%)10859(Top 483%)
20K12.43 mi3.11 mi16129+7510855+4710855+4715973(Top 56%)10735(Top 67%)10735(Top 478%)
Half13.11 mi0.68 mi16272-14310907-5210907-5218726(Top 66%)11935(Top 74%)11935(Top 531%)
25K15.53 mi2.42 mi16525-25311004-9711004-9717798(Top 63%)11443(Top 71%)11443(Top 509%)
30K18.64 mi3.11 mi17275-75011248-24411248-24420219(Top 71%)12392(Top 77%)12392(Top 551%)
20M20.00 mi1.36 mi17546-27111323-7511323-7520023(Top 70%)12164(Top 76%)12164(Top 541%)
21M21.00 mi1.00 mi18074-52811546-22311546-22322697(Top 80%)13292(Top 83%)13292(Top 592%)
35K21.75 mi0.75 mi18345-27111644-9811644-9822651(Top 80%)13225(Top 82%)13225(Top 589%)
23M23.00 mi1.25 mi18888-54311848-20411848-20423508(Top 83%)13597(Top 84%)13597(Top 605%)
24M24.00 mi1.00 mi19163-27511947-9911947-9922850(Top 80%)13220(Top 82%)13220(Top 588%)
40K24.85 mi0.85 mi19441-27812042-9512042-9523528(Top 83%)13512(Top 84%)13512(Top 601%)
25.2M25.20 mi0.35 mi19563-12212075-3312075-3323828(Top 84%)13673(Top 85%)13673(Top 609%)
Finish26.22 mi1.02 mi19739-17612147-7212147-7222951(Top 81%)13246(Top 82%)13246(Top 589%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16109

Males

10859

M40-44

10859

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15527

Males

10639

M40-44

10639

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16109

Males

10859

M40-44

10859

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15973

Males

10735

M40-44

10735

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18726

Males

11935

M40-44

11935

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17798

Males

11443

M40-44

11443

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20219

Males

12392

M40-44

12392

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

20023

Males

12164

M40-44

12164

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22697

Males

13292

M40-44

13292

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22651

Males

13225

M40-44

13225

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23508

Males

13597

M40-44

13597

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22850

Males

13220

M40-44

13220

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23528

Males

13512

M40-44

13512

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23828

Males

13673

M40-44

13673

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22951

Males

13246

M40-44

13246

Passing Analysis

Category:
Athletes Passed
1725
Passed By
4367
Net Change
-2642
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17097
5K → 10K89064+826#17097#16271
10K → 15K244177+67#16271#16204
15K → 20K251176+75#16204#16129
20K → Half6149-143#16129#16272
Half → 25K84337-253#16272#16525
25K → 30K74824-750#16525#17275
30K → 20M48319-271#17275#17546
20M → 21M16544-528#17546#18074
21M → 35K21292-271#18074#18345
35K → 23M29572-543#18345#18888
23M → 24M14289-275#18888#19163
24M → 40K21299-278#19163#19441
40K → 25.2M8130-122#19441#19563
25.2M → Finish19195-176#19563#19739
TOTALS17254367-2642
📊

Passing Visuals

Category:
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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