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BOSTON MARATHON 2025

Afshin Khiabani

Bib: 25743•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:15/mi
31:50
↑ 97↓ 3451.5%
10K· 6.21 mi
9:53/mi
1:02:33
↑ 79↓ 1380.4%
15K· 9.32 mi
9:54/mi
1:33:19
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
2:04:05
↑ 106↓ 860.1%
Half· 13.11 mi
9:30/mi
2:10:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:40/mi
2:34:00
↑ 66↓ 880.2%
30K· 18.64 mi
10:03/mi
3:05:12
↑ 181↓ 1480.2%
20M
10:04/mi
3:18:53
↑ 64↓ 500.2%
21M
10:14/mi
3:29:07
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
3:36:19
↑ 17↓ 861.7%
23M
9:04/mi
3:47:40
↑ 23↓ 630.6%
24M
9:10/mi
3:56:50
↓ 821.3%
40K· 24.85 mi
8:57/mi
4:04:29
↓ 200.3%
25.2M
9:34/mi
4:07:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
4:16:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:10:34
Pace9:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:05:44
Pace9:35 /mi
📊Negative Split: 3.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2631:5010:1531:50
10:15
-
10K
6.21 mi12:18:091:02:3310:0430:43
9:53
-0:22
15K
9.32 mi12:48:551:33:1910:0130:46
9:54
+0:01
20K
12.43 mi13:19:412:04:059:5930:46
9:54
0:00
Half
13.11 mi13:26:102:10:349:586:29
9:30
-0:24
25K
15.53 mi13:49:362:34:009:5523:26
9:40
+0:10
30K
18.64 mi14:20:483:05:129:5631:12
10:03
+0:23
20M
20.00 mi14:34:293:18:539:5713:41
10:04
+0:01
21M
21.00 mi14:44:433:29:079:5710:14
10:14
+0:10
35K
21.75 mi14:51:553:36:199:577:12
9:37
-0:37
23M
23.00 mi15:03:163:47:409:5411:21
9:04
-0:33
24M
24.00 mi15:12:263:56:509:529:10
9:10
+0:06
40K
24.85 mi15:20:054:04:299:507:39
8:57
-0:13
25.2M
25.20 mi15:23:234:07:479:503:18
9:34
+0:37
Finish
26.22 mi15:31:544:16:189:478:31
8:21
-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

8:21 /mi

Average Pace

9:47 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:41

14% of race

Time at Steady Pace

2:12:40

52% of race

Time at Slower Pace

1:26:57

34% of race

Average Pace: 9:46 /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 mi11:47:2631:5010:1531:50
10:15
#26179
10K
6.21 mi12:18:091:02:3310:0430:43
9:53
#25578
15K
9.32 mi12:48:551:33:1910:0130:46
9:54
#25310
20K
12.43 mi13:19:412:04:059:5930:46
9:54
#24981
Half
13.11 mi13:26:102:10:349:586:29
9:30
#24899
25K
15.53 mi13:49:362:34:009:5523:26
9:40
#24521
30K
18.64 mi14:20:483:05:129:5631:12
10:03
#24060
20M
20.00 mi14:34:293:18:539:5713:41
10:04
#23860
21M
21.00 mi14:44:433:29:079:5710:14
10:14
#23608
35K
21.75 mi14:51:553:36:199:577:12
9:37
#23485
23M
23.00 mi15:03:163:47:409:5411:21
9:04
#23195
24M
24.00 mi15:12:263:56:509:529:10
9:10
#23008
40K
24.85 mi15:20:054:04:299:507:39
8:57
#22786
25.2M
25.20 mi15:23:234:07:479:503:18
9:34
#22692
Finish
26.22 mi15:31:544:16:189:478:31
8:21
#22509
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi26179152521525224782(Top 87%)14621(Top 91%)14621(Top 733%)
10K6.21 mi3.10 mi25578+60114970+28214970+28225057(Top 88%)14728(Top 91%)14728(Top 738%)
15K9.32 mi3.11 mi25310+26814855+11514855+11524782(Top 87%)14621(Top 91%)14621(Top 733%)
20K12.43 mi3.11 mi24981+32914696+15914696+15924021(Top 85%)14242(Top 88%)14242(Top 714%)
Half13.11 mi0.68 mi24899+8214651+4514651+4523556(Top 83%)14033(Top 87%)14033(Top 703%)
25K15.53 mi2.42 mi24521+37814465+18614465+18622399(Top 79%)13465(Top 84%)13465(Top 675%)
30K18.64 mi3.11 mi24060+46114237+22814237+22821714(Top 76%)13035(Top 81%)13035(Top 653%)
20M20.00 mi1.36 mi23860+20014125+11214125+11221182(Top 75%)12669(Top 79%)12669(Top 635%)
21M21.00 mi1.00 mi23608+25213988+13713988+13719135(Top 67%)11691(Top 73%)11691(Top 586%)
35K21.75 mi0.75 mi23485+12313918+7013918+7020767(Top 73%)12343(Top 77%)12343(Top 618%)
23M23.00 mi1.25 mi23195+29013760+15813760+15816632(Top 59%)10356(Top 64%)10356(Top 519%)
24M24.00 mi1.00 mi23008+18713652+10813652+10818185(Top 64%)11017(Top 68%)11017(Top 552%)
40K24.85 mi0.85 mi22786+22213538+11413538+11416006(Top 56%)9932(Top 62%)9932(Top 498%)
25.2M25.20 mi0.35 mi22692+9413489+4913489+4914953(Top 53%)9410(Top 58%)9410(Top 471%)
Finish26.22 mi1.02 mi22509+18313382+10713382+10715296(Top 54%)9626(Top 60%)9626(Top 482%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24782

Males

14621

M50-54

14621

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

25057

Males

14728

M50-54

14728

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24782

Males

14621

M50-54

14621

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24021

Males

14242

M50-54

14242

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23556

Males

14033

M50-54

14033

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22399

Males

13465

M50-54

13465

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

21714

Males

13035

M50-54

13035

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21182

Males

12669

M50-54

12669

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19135

Males

11691

M50-54

11691

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20767

Males

12343

M50-54

12343

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16632

Males

10356

M50-54

10356

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18185

Males

11017

M50-54

11017

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

16006

Males

9932

M50-54

9932

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14953

Males

9410

M50-54

9410

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15296

Males

9626

M50-54

9626

Passing Analysis

Category:
Athletes Passed
3763
Passed By
93
Net Change
+3670
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26179
5K → 10K61817+601#26179#25578
10K → 15K29830+268#25578#25310
15K → 20K34314+329#25310#24981
20K → Half886+82#24981#24899
Half → 25K3780+378#24899#24521
25K → 30K47413+461#24521#24060
30K → 20M2055+200#24060#23860
20M → 21M2531+252#23860#23608
21M → 35K1263+123#23608#23485
35K → 23M2900+290#23485#23195
23M → 24M1903+187#23195#23008
24M → 40K2231+222#23008#22786
40K → 25.2M940+94#22786#22692
25.2M → Finish1830+183#22692#22509
TOTALS376393+3670
📊

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