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BOSTON MARATHON 2025

Youn Cho

NJ

Bib: 25297 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:14/mi
28:40
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:38/mi
55:29
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:25/mi
1:21:38
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:06/mi
1:49:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:58/mi
1:56:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:55/mi
2:22:31
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:58/mi
2:59:41
↑ 181↓ 1480.2%
138 ft elev
20M
11:35/mi
3:15:26
↑ 64↓ 500.2%
148 ft elev
21M
12:05/mi
3:27:31
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:16/mi
3:35:57
↑ 17↓ 861.7%
156 ft elev
23M
10:42/mi
3:49:21
↑ 23↓ 630.6%
116 ft elev
24M
10:14/mi
3:59:35
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:00/mi
4:10:42
↓ 200.3%
20 ft elev
25.2M
11:16/mi
4:14:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:55/mi
4:24:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:28:39
Pace11:20 /mi
📊Positive Split: 28.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2128:409:1428:40
9:14
-
10K
6.21 mi12:13:1055:298:5626:49
8:38
-0:36
15K
9.32 mi12:39:191:21:388:4626:09
8:25
-0:13
20K
12.43 mi13:07:361:49:558:5128:17
9:06
+0:41
Half
13.11 mi13:13:431:56:028:516:07
8:58
-0:08
25K
15.53 mi13:40:122:22:319:1026:29
10:55
+1:57
30K
18.64 mi14:17:222:59:419:3837:10
11:58
+1:03
20M
20.00 mi14:33:073:15:269:4615:45
11:35
-0:23
21M
21.00 mi14:45:123:27:319:5312:05
12:05
+0:30
35K
21.75 mi14:53:383:35:579:568:26
11:16
-0:49
23M
23.00 mi15:07:023:49:219:5813:24
10:42
-0:34
24M
24.00 mi15:17:163:59:359:5910:14
10:14
-0:28
40K
24.85 mi15:28:234:10:4210:0511:07
13:00
+2:46
25.2M
25.20 mi15:32:164:14:3510:063:53
11:16
-1:44
Finish
26.22 mi15:42:224:24:4110:0610:06
9:55
-1:21

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

8:25 /mi

Average Pace

10:06 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:08

48% of race

Time at Steady Pace

1:02:26

24% of race

Time at Slower Pace

1:16:07

29% of race

Average Pace: 10:06 /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 mi11:46:2128:409:1428:40
9:14
#23328
10K
6.21 mi12:13:1055:298:5626:49
8:38
#22111
15K
9.32 mi12:39:191:21:388:4626:09
8:25
#21041
20K
12.43 mi13:07:361:49:558:5128:17
9:06
#21154
Half
13.11 mi13:13:431:56:028:516:07
8:58
#21184
25K
15.53 mi13:40:122:22:319:1026:29
10:55
#22347
30K
18.64 mi14:17:222:59:419:3837:10
11:58
#23216
20M
20.00 mi14:33:073:15:269:4615:45
11:35
#23338
21M
21.00 mi14:45:123:27:319:5312:05
12:05
#23379
35K
21.75 mi14:53:383:35:579:568:26
11:16
#23430
23M
23.00 mi15:07:023:49:219:5813:24
10:42
#23397
24M
24.00 mi15:17:163:59:359:5910:14
10:14
#23334
40K
24.85 mi15:28:234:10:4210:0511:07
13:00
#23530
25.2M
25.20 mi15:32:164:14:3510:063:53
11:16
#23487
Finish
26.22 mi15:42:224:24:4110:0610:06
9:55
#23461
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi233289345934518830(Top 66%)6802(Top 56%)6802(Top 1090%)
10K6.21 mi3.10 mi22111+12178677+6688677+66820528(Top 72%)7761(Top 63%)7761(Top 1244%)
15K9.32 mi3.11 mi21041+10708062+6158062+61518830(Top 66%)6802(Top 56%)6802(Top 1090%)
20K12.43 mi3.11 mi21154-1138115-538115-5321472(Top 76%)8305(Top 68%)8305(Top 1331%)
Half13.11 mi0.68 mi21184-308131-168131-1621729(Top 76%)8448(Top 69%)8448(Top 1354%)
25K15.53 mi2.42 mi22347-11638782-6518782-65125103(Top 88%)10347(Top 85%)10347(Top 1658%)
30K18.64 mi3.11 mi23216-8699303-5219303-52125547(Top 90%)10702(Top 88%)10702(Top 1715%)
20M20.00 mi1.36 mi23338-1229384-819384-8124703(Top 87%)10318(Top 84%)10318(Top 1654%)
21M21.00 mi1.00 mi23379-419432-489432-4823745(Top 84%)9891(Top 81%)9891(Top 1585%)
35K21.75 mi0.75 mi23430-519475-439475-4324732(Top 87%)10442(Top 85%)10442(Top 1673%)
23M23.00 mi1.25 mi23397+339472+39472+322534(Top 79%)9362(Top 77%)9362(Top 1500%)
24M24.00 mi1.00 mi23334+639460+129460+1222060(Top 78%)9169(Top 75%)9169(Top 1469%)
40K24.85 mi0.85 mi23530-1969576-1169576-11626304(Top 93%)11293(Top 92%)11293(Top 1810%)
25.2M25.20 mi0.35 mi23487+439566+109566+1021470(Top 76%)8903(Top 73%)8903(Top 1427%)
Finish26.22 mi1.02 mi23461+269567-19567-122668(Top 80%)9503(Top 78%)9503(Top 1523%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18830

Females

6802

F60-64

6802

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20528

Females

7761

F60-64

7761

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18830

Females

6802

F60-64

6802

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21472

Females

8305

F60-64

8305

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21729

Females

8448

F60-64

8448

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25103

Females

10347

F60-64

10347

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25547

Females

10702

F60-64

10702

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24703

Females

10318

F60-64

10318

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23745

Females

9891

F60-64

9891

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24732

Females

10442

F60-64

10442

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22534

Females

9362

F60-64

9362

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22060

Females

9169

F60-64

9169

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26304

Females

11293

F60-64

11293

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21470

Females

8903

F60-64

8903

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22668

Females

9503

F60-64

9503

Passing Analysis

Category:
Athletes Passed
2939
Passed By
3072
Net Change
-133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23328
5K → 10K122811+1217#23328#22111
10K → 15K10744+1070#22111#21041
15K → 20K160273-113#21041#21154
20K → Half2151-30#21154#21184
Half → 25K111174-1163#21184#22347
25K → 30K28897-869#22347#23216
30K → 20M47169-122#23216#23338
20M → 21M5899-41#23338#23379
21M → 35K3182-51#23379#23430
35K → 23M7542+33#23430#23397
23M → 24M8522+63#23397#23334
24M → 40K9205-196#23334#23530
40K → 25.2M529+43#23530#23487
25.2M → Finish6034+26#23487#23461
TOTALS29393072-133
📊

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