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BOSTON MARATHON 2025

Andrew Kim

Bib: 24275•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 (M65-69)
#0 / 639
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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
54:57
↑ 79↓ 1380.4%
15K· 9.32 mi
9:03/mi
1:23:03
↑ 67↓ 78
20K· 12.43 mi
9:28/mi
1:52:27
↑ 106↓ 860.1%
Half· 13.11 mi
9:13/mi
1:58:44
↑ 19↓ 370.5%
25K· 15.53 mi
9:26/mi
2:21:37
↑ 66↓ 880.2%
30K· 18.64 mi
10:24/mi
2:53:55
↑ 181↓ 1480.2%
20M
10:56/mi
3:08:47
↑ 64↓ 500.2%
21M
12:55/mi
3:21:42
↑ 106↓ 241.6%
35K· 21.75 mi
10:44/mi
3:29:44
↑ 17↓ 861.7%
23M
11:24/mi
3:44:00
↑ 23↓ 630.6%
24M
11:19/mi
3:55:19
↓ 821.3%
40K· 24.85 mi
11:38/mi
4:05:16
↓ 200.3%
25.2M
13:09/mi
4:09:48
↑ 13↓ 160.2%
Finish· 26.22 mi
11:22/mi
4:21:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:44
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:22:39
Pace10:53 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5126:558:4026:55
8:40
-
10K
6.21 mi11:52:5354:578:5128:02
9:01
+0:21
15K
9.32 mi12:20:591:23:038:5528:06
9:03
+0:02
20K
12.43 mi12:50:231:52:279:0329:24
9:28
+0:25
Half
13.11 mi12:56:401:58:449:036:17
9:13
-0:15
25K
15.53 mi13:19:332:21:379:0722:53
9:26
+0:13
30K
18.64 mi13:51:512:53:559:2032:18
10:24
+0:58
20M
20.00 mi14:06:433:08:479:2614:52
10:56
+0:32
21M
21.00 mi14:19:383:21:429:3612:55
12:55
+1:59
35K
21.75 mi14:27:403:29:449:398:02
10:44
-2:11
23M
23.00 mi14:41:563:44:009:4414:16
11:24
+0:40
24M
24.00 mi14:53:153:55:199:4811:19
11:19
-0:05
40K
24.85 mi15:03:124:05:169:529:57
11:38
+0:19
25.2M
25.20 mi15:07:444:09:489:554:32
13:09
+1:31
Finish
26.22 mi15:19:194:21:239:5911:35
11:22
-1:47

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

8:40 /mi

Average Pace

9:59 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:37

54% of race

Time at Steady Pace

1:32:22

35% of race

Time at Slower Pace

27:24

10% of race

Average Pace: 9:58 /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 mi11:24:5126:558:4026:55
8:40
#20821
10K
6.21 mi11:52:5354:578:5128:02
9:01
#21676
15K
9.32 mi12:20:591:23:038:5528:06
9:03
#21860
20K
12.43 mi12:50:231:52:279:0329:24
9:28
#22154
Half
13.11 mi12:56:401:58:449:036:17
9:13
#22170
25K
15.53 mi13:19:332:21:379:0722:53
9:26
#22075
30K
18.64 mi13:51:512:53:559:2032:18
10:24
#22269
20M
20.00 mi14:06:433:08:479:2614:52
10:56
#22373
21M
21.00 mi14:19:383:21:429:3612:55
12:55
#22577
35K
21.75 mi14:27:403:29:449:398:02
10:44
#22609
23M
23.00 mi14:41:563:44:009:4414:16
11:24
#22722
24M
24.00 mi14:53:153:55:199:4811:19
11:19
#22796
40K
24.85 mi15:03:124:05:169:529:57
11:38
#22895
25.2M
25.20 mi15:07:444:09:489:554:32
13:09
#22957
Finish
26.22 mi15:19:194:21:239:5911:35
11:22
#23107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20821127811278122230(Top 78%)13491(Top 84%)13491(Top 2111%)
10K6.21 mi3.10 mi21676-85513186-40513186-40522477(Top 79%)13567(Top 84%)13567(Top 2123%)
15K9.32 mi3.11 mi21860-18413277-9113277-9122230(Top 78%)13491(Top 84%)13491(Top 2111%)
20K12.43 mi3.11 mi22154-29413413-13613413-13622784(Top 80%)13698(Top 85%)13698(Top 2144%)
Half13.11 mi0.68 mi22170-1613422-913422-922615(Top 80%)13618(Top 85%)13618(Top 2131%)
25K15.53 mi2.42 mi22075+9513369+5313369+5321669(Top 76%)13149(Top 82%)13149(Top 2058%)
30K18.64 mi3.11 mi22269-19413433-6413433-6422700(Top 80%)13481(Top 84%)13481(Top 2110%)
20M20.00 mi1.36 mi22373-10413452-1913452-1923475(Top 83%)13746(Top 85%)13746(Top 2151%)
21M21.00 mi1.00 mi22577-20413527-7513527-7524940(Top 88%)14337(Top 89%)14337(Top 2244%)
35K21.75 mi0.75 mi22609-3213525+213525+223657(Top 83%)13716(Top 85%)13716(Top 2146%)
23M23.00 mi1.25 mi22722-11313551-2613551-2624068(Top 85%)13873(Top 86%)13873(Top 2171%)
24M24.00 mi1.00 mi22796-7413562-1113562-1124596(Top 87%)14104(Top 88%)14104(Top 2207%)
40K24.85 mi0.85 mi22895-9913581-1913581-1924365(Top 86%)13943(Top 87%)13943(Top 2182%)
25.2M25.20 mi0.35 mi22957-6213605-2413605-2425230(Top 89%)14356(Top 89%)14356(Top 2247%)
Finish26.22 mi1.02 mi23107-15013668-6313668-6325960(Top 91%)14761(Top 92%)14761(Top 2310%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22230

Males

13491

M65-69

13491

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22477

Males

13567

M65-69

13567

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22230

Males

13491

M65-69

13491

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22784

Males

13698

M65-69

13698

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22615

Males

13618

M65-69

13618

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21669

Males

13149

M65-69

13149

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22700

Males

13481

M65-69

13481

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23475

Males

13746

M65-69

13746

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

24940

Males

14337

M65-69

14337

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23657

Males

13716

M65-69

13716

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24068

Males

13873

M65-69

13873

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24596

Males

14104

M65-69

14104

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24365

Males

13943

M65-69

13943

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25230

Males

14356

M65-69

14356

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25960

Males

14761

M65-69

14761

Passing Analysis

Category:
Athletes Passed
900
Passed By
3186
Net Change
-2286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20821
5K → 10K55910-855#20821#21676
10K → 15K147331-184#21676#21860
15K → 20K114408-294#21860#22154
20K → Half3046-16#22154#22170
Half → 25K195100+95#22170#22075
25K → 30K130324-194#22075#22269
30K → 20M46150-104#22269#22373
20M → 21M32236-204#22373#22577
21M → 35K3466-32#22577#22609
35K → 23M41154-113#22609#22722
23M → 24M36110-74#22722#22796
24M → 40K23122-99#22796#22895
40K → 25.2M365-62#22895#22957
25.2M → Finish14164-150#22957#23107
TOTALS9003186-2286
📊

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