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BOSTON MARATHON 2025

Kevin Hii

Bib: 5074•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M50-54)
#0 / 1996
Top 40%
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
6:52/mi
21:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
43:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:05:28
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:28:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:33:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:52:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:17:07
↑ 181↓ 1480.2%
20M
8:09/mi
2:28:12
↑ 64↓ 500.2%
21M
8:48/mi
2:37:00
↑ 106↓ 241.6%
35K· 21.75 mi
10:08/mi
2:44:35
↑ 17↓ 861.7%
23M
8:03/mi
2:54:40
↑ 23↓ 630.6%
24M
7:53/mi
3:02:33
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:09:30
↓ 200.3%
25.2M
9:05/mi
3:12:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:20:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:43
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:47:01
Pace8:10 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3521:196:5221:19
6:52
-
10K
6.21 mi10:46:3543:196:5822:00
7:05
+0:13
15K
9.32 mi11:08:441:05:287:0122:09
7:08
+0:03
20K
12.43 mi11:31:521:28:367:0823:08
7:27
+0:19
Half
13.11 mi11:36:591:33:437:095:07
7:30
+0:03
25K
15.53 mi11:55:231:52:077:1318:24
7:35
+0:05
30K
18.64 mi12:20:232:17:077:2125:00
8:03
+0:28
20M
20.00 mi12:31:282:28:127:2511:05
8:09
+0:06
21M
21.00 mi12:40:162:37:007:298:48
8:48
+0:39
35K
21.75 mi12:47:512:44:357:347:35
10:08
+1:20
23M
23.00 mi12:57:562:54:407:3610:05
8:03
-2:05
24M
24.00 mi13:05:493:02:337:367:53
7:53
-0:10
40K
24.85 mi13:12:463:09:307:376:57
8:08
+0:15
25.2M
25.20 mi13:15:543:12:387:393:08
9:05
+0:57
Finish
26.22 mi13:24:003:20:447:408:06
7:57
-1:08

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

6:52 /mi

Average Pace

7:40 /mi

Slowest Pace

10:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:43

47% of race

Time at Steady Pace

1:27:30

44% of race

Time at Slower Pace

19:31

10% of race

Average Pace: 7:39 /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 mi10:24:3521:196:5221:19
6:52
#6783
10K
6.21 mi10:46:3543:196:5822:00
7:05
#7664
15K
9.32 mi11:08:441:05:287:0122:09
7:08
#7928
20K
12.43 mi11:31:521:28:367:0823:08
7:27
#8370
Half
13.11 mi11:36:591:33:437:095:07
7:30
#8524
25K
15.53 mi11:55:231:52:077:1318:24
7:35
#8826
30K
18.64 mi12:20:232:17:077:2125:00
8:03
#9321
20M
20.00 mi12:31:282:28:127:2511:05
8:09
#9472
21M
21.00 mi12:40:162:37:007:298:48
8:48
#9604
35K
21.75 mi12:47:512:44:357:347:35
10:08
#10348
23M
23.00 mi12:57:562:54:407:3610:05
8:03
#10302
24M
24.00 mi13:05:493:02:337:367:53
7:53
#10280
40K
24.85 mi13:12:463:09:307:376:57
8:08
#10271
25.2M
25.20 mi13:15:543:12:387:393:08
9:05
#10308
Finish
26.22 mi13:24:003:20:447:408:06
7:57
#10355
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6783614861488542(Top 30%)7276(Top 45%)7276(Top 365%)
10K6.21 mi3.10 mi7664-8816771-6236771-6238519(Top 30%)7312(Top 45%)7312(Top 366%)
15K9.32 mi3.11 mi7928-2646937-1666937-1668542(Top 30%)7276(Top 45%)7276(Top 365%)
20K12.43 mi3.11 mi8370-4427176-2397176-23910291(Top 36%)8165(Top 51%)8165(Top 409%)
Half13.11 mi0.68 mi8524-1547274-987274-9811619(Top 41%)8829(Top 55%)8829(Top 442%)
25K15.53 mi2.42 mi8826-3027430-1567430-15610662(Top 38%)8224(Top 51%)8224(Top 412%)
30K18.64 mi3.11 mi9321-4957648-2187648-21811706(Top 41%)8527(Top 53%)8527(Top 427%)
20M20.00 mi1.36 mi9472-1517686-387686-3811482(Top 40%)8271(Top 51%)8271(Top 414%)
21M21.00 mi1.00 mi9604-1327738-527738-5212265(Top 43%)8490(Top 53%)8490(Top 425%)
35K21.75 mi0.75 mi10348-7448083-3458083-34522248(Top 78%)13025(Top 81%)13025(Top 653%)
23M23.00 mi1.25 mi10302+468011+728011+7210409(Top 37%)7433(Top 46%)7433(Top 372%)
24M24.00 mi1.00 mi10280+227978+337978+3310422(Top 37%)7389(Top 46%)7389(Top 370%)
40K24.85 mi0.85 mi10271+97931+477931+4711058(Top 39%)7594(Top 47%)7594(Top 380%)
25.2M25.20 mi0.35 mi10308-377934-37934-312199(Top 43%)8083(Top 50%)8083(Top 405%)
Finish26.22 mi1.02 mi10355-477931+37931+312504(Top 44%)8276(Top 51%)8276(Top 415%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8542

Males

7276

M50-54

7276

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8519

Males

7312

M50-54

7312

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8542

Males

7276

M50-54

7276

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10291

Males

8165

M50-54

8165

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11619

Males

8829

M50-54

8829

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10662

Males

8224

M50-54

8224

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11706

Males

8527

M50-54

8527

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11482

Males

8271

M50-54

8271

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12265

Males

8490

M50-54

8490

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22248

Males

13025

M50-54

13025

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10409

Males

7433

M50-54

7433

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10422

Males

7389

M50-54

7389

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11058

Males

7594

M50-54

7594

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12199

Males

8083

M50-54

8083

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12504

Males

8276

M50-54

8276

Passing Analysis

Category:
Athletes Passed
828
Passed By
4398
Net Change
-3572
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6783
5K → 10K27908-881#6783#7664
10K → 15K66330-264#7664#7928
15K → 20K53495-442#7928#8370
20K → Half6160-154#8370#8524
Half → 25K77379-302#8524#8826
25K → 30K101596-495#8826#9321
30K → 20M67218-151#9321#9472
20M → 21M50182-132#9472#9604
21M → 35K4746-744#9604#10348
35K → 23M13084+46#10348#10302
23M → 24M8159+22#10302#10280
24M → 40K8374+9#10280#10271
40K → 25.2M2259-37#10271#10308
25.2M → Finish61108-47#10308#10355
TOTALS8284398-3572
📊

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