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BOSTON MARATHON 2025

Arash Nikoukari

Bib: 18234•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
9:33/mi
29:40
↑ 97↓ 3451.5%
10K· 6.21 mi
9:39/mi
59:38
↑ 79↓ 1380.4%
15K· 9.32 mi
10:10/mi
1:31:12
↑ 67↓ 78
20K· 12.43 mi
10:04/mi
2:02:27
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:09:05
↑ 19↓ 370.5%
25K· 15.53 mi
10:15/mi
2:33:55
↑ 66↓ 880.2%
30K· 18.64 mi
10:23/mi
3:06:11
↑ 181↓ 1480.2%
20M
10:25/mi
3:20:21
↑ 64↓ 500.2%
21M
11:34/mi
3:31:55
↑ 106↓ 241.6%
35K· 21.75 mi
10:31/mi
3:39:47
↑ 17↓ 861.7%
23M
11:58/mi
3:54:46
↑ 23↓ 630.6%
24M
9:56/mi
4:04:42
↓ 821.3%
40K· 24.85 mi
10:30/mi
4:13:41
↓ 200.3%
25.2M
10:35/mi
4:17:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:50/mi
4:26:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:05
Pace9:51 /mi
2nd Half
Distance13.11 mi
Time2:17:15
Pace10:28 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5629:409:3329:40
9:33
-
10K
6.21 mi11:50:5459:389:3629:58
9:39
+0:06
15K
9.32 mi12:22:281:31:129:4731:34
10:10
+0:31
20K
12.43 mi12:53:432:02:279:5131:15
10:04
-0:06
Half
13.11 mi13:00:212:09:059:516:38
9:43
-0:21
25K
15.53 mi13:25:112:33:559:5424:50
10:15
+0:32
30K
18.64 mi13:57:273:06:119:5932:16
10:23
+0:08
20M
20.00 mi14:11:373:20:2110:0114:10
10:25
+0:02
21M
21.00 mi14:23:113:31:5510:0511:34
11:34
+1:09
35K
21.75 mi14:31:033:39:4710:067:52
10:31
-1:03
23M
23.00 mi14:46:023:54:4610:1214:59
11:58
+1:27
24M
24.00 mi14:55:584:04:4210:129:56
9:56
-2:02
40K
24.85 mi15:04:574:13:4110:128:59
10:30
+0:34
25.2M
25.20 mi15:08:364:17:2010:133:39
10:35
+0:05
Finish
26.22 mi15:17:364:26:2010:109:00
8:50
-1:45

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

8:50 /mi

Average Pace

10:10 /mi

Slowest Pace

11:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:16

28% of race

Time at Steady Pace

2:44:31

62% of race

Time at Slower Pace

26:33

10% of race

Average Pace: 10:09 /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 mi11:20:5629:409:3329:40
9:33
#24396
10K
6.21 mi11:50:5459:389:3629:58
9:39
#24446
15K
9.32 mi12:22:281:31:129:4731:34
10:10
#24784
20K
12.43 mi12:53:432:02:279:5131:15
10:04
#24654
Half
13.11 mi13:00:212:09:059:516:38
9:43
#24632
25K
15.53 mi13:25:112:33:559:5424:50
10:15
#24513
30K
18.64 mi13:57:273:06:119:5932:16
10:23
#24204
20M
20.00 mi14:11:373:20:2110:0114:10
10:25
#24040
21M
21.00 mi14:23:113:31:5510:0511:34
11:34
#23972
35K
21.75 mi14:31:033:39:4710:067:52
10:31
#23944
23M
23.00 mi14:46:023:54:4610:1214:59
11:58
#24020
24M
24.00 mi14:55:584:04:4210:129:56
9:56
#23903
40K
24.85 mi15:04:574:13:4110:128:59
10:30
#23833
25.2M
25.20 mi15:08:364:17:2010:133:39
10:35
#23767
Finish
26.22 mi15:17:364:26:2010:109:00
8:50
#23628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24396144311443125329(Top 89%)14844(Top 92%)14844(Top 901%)
10K6.21 mi3.10 mi24446-5014462-3114462-3124471(Top 86%)14458(Top 90%)14458(Top 877%)
15K9.32 mi3.11 mi24784-33814614-15214614-15225329(Top 89%)14844(Top 92%)14844(Top 901%)
20K12.43 mi3.11 mi24654+13014545+6914545+6924355(Top 86%)14383(Top 89%)14383(Top 873%)
Half13.11 mi0.68 mi24632+2214529+1614529+1624144(Top 85%)14293(Top 89%)14293(Top 867%)
25K15.53 mi2.42 mi24513+11914461+6814461+6823811(Top 84%)14105(Top 88%)14105(Top 856%)
30K18.64 mi3.11 mi24204+30914305+15614305+15622672(Top 80%)13470(Top 84%)13470(Top 817%)
20M20.00 mi1.36 mi24040+16414204+10114204+10122225(Top 78%)13149(Top 82%)13149(Top 798%)
21M21.00 mi1.00 mi23972+6814157+4714157+4722744(Top 80%)13322(Top 83%)13322(Top 808%)
35K21.75 mi0.75 mi23944+2814128+2914128+2923205(Top 82%)13491(Top 84%)13491(Top 819%)
23M23.00 mi1.25 mi24020-7614154-2614154-2625070(Top 88%)14367(Top 89%)14367(Top 872%)
24M24.00 mi1.00 mi23903+11714086+6814086+6821173(Top 75%)12436(Top 77%)12436(Top 755%)
40K24.85 mi0.85 mi23833+7014038+4814038+4821955(Top 77%)12732(Top 79%)12732(Top 773%)
25.2M25.20 mi0.35 mi23767+6614001+3714001+3719298(Top 68%)11457(Top 71%)11457(Top 695%)
Finish26.22 mi1.02 mi23628+13913912+8913912+8918206(Top 64%)10979(Top 68%)10979(Top 666%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25329

Males

14844

M55-59

14844

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24471

Males

14458

M55-59

14458

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25329

Males

14844

M55-59

14844

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24355

Males

14383

M55-59

14383

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24144

Males

14293

M55-59

14293

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23811

Males

14105

M55-59

14105

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22672

Males

13470

M55-59

13470

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22225

Males

13149

M55-59

13149

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22744

Males

13322

M55-59

13322

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23205

Males

13491

M55-59

13491

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

25070

Males

14367

M55-59

14367

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21173

Males

12436

M55-59

12436

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21955

Males

12732

M55-59

12732

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19298

Males

11457

M55-59

11457

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18206

Males

10979

M55-59

10979

Passing Analysis

Category:
Athletes Passed
1752
Passed By
984
Net Change
+768
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24396
5K → 10K191241-50#24396#24446
10K → 15K49387-338#24446#24784
15K → 20K20373+130#24784#24654
20K → Half3715+22#24654#24632
Half → 25K16243+119#24632#24513
25K → 30K33627+309#24513#24204
30K → 20M1728+164#24204#24040
20M → 21M9426+68#24040#23972
21M → 35K5931+28#23972#23944
35K → 23M39115-76#23944#24020
23M → 24M1203+117#24020#23903
24M → 40K8313+70#23903#23833
40K → 25.2M671+66#23833#23767
25.2M → Finish1401+139#23767#23628
TOTALS1752984+768
📊

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