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BOSTON MARATHON 2025

Man Ngor Natalie Ngan

Bib: 24122 F HK

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
8:45/mi
27:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:46/mi
54:27
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:16/mi
1:23:15
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:02/mi
1:51:18
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:01/mi
1:57:27
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:30/mi
2:22:54
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:26/mi
2:55:18
↑ 181↓ 1480.2%
138 ft elev
20M
10:23/mi
3:09:25
↑ 64↓ 500.2%
148 ft elev
21M
11:37/mi
3:21:02
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:37/mi
3:28:14
↑ 17↓ 861.7%
156 ft elev
23M
10:34/mi
3:41:28
↑ 23↓ 630.6%
116 ft elev
24M
10:21/mi
3:51:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:42/mi
4:00:58
↓ 200.3%
20 ft elev
25.2M
12:31/mi
4:05:17
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:27/mi
4:15:56
↑ 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
Time1:57:27
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:18:29
Pace10:34 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3827:128:4527:12
8:45
-
10K
6.21 mi11:50:5354:278:4627:15
8:46
+0:01
15K
9.32 mi12:19:411:23:158:5628:48
9:16
+0:30
20K
12.43 mi12:47:441:51:188:5728:03
9:02
-0:14
Half
13.11 mi12:53:531:57:278:586:09
9:01
-0:01
25K
15.53 mi13:19:202:22:549:1225:27
10:30
+1:29
30K
18.64 mi13:51:442:55:189:2432:24
10:26
-0:04
20M
20.00 mi14:05:513:09:259:2814:07
10:23
-0:03
21M
21.00 mi14:17:283:21:029:3411:37
11:37
+1:14
35K
21.75 mi14:24:403:28:149:347:12
9:37
-2:00
23M
23.00 mi14:37:543:41:289:3813:14
10:34
+0:57
24M
24.00 mi14:48:153:51:499:4010:21
10:21
-0:13
40K
24.85 mi14:57:244:00:589:429:09
10:42
+0:21
25.2M
25.20 mi15:01:434:05:179:444:19
12:31
+1:49
Finish
26.22 mi15:12:224:15:569:4610:39
10:27
-2:04

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

8:45 /mi

Average Pace

9:46 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:39

49% of race

Time at Steady Pace

1:55:21

45% of race

Time at Slower Pace

15:56

6% 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 mi11:23:3827:128:4527:12
8:45
#21286
10K
6.21 mi11:50:5354:278:4627:15
8:46
#21250
15K
9.32 mi12:19:411:23:158:5628:48
9:16
#21975
20K
12.43 mi12:47:441:51:188:5728:03
9:02
#21739
Half
13.11 mi12:53:531:57:278:586:09
9:01
#21736
25K
15.53 mi13:19:202:22:549:1225:27
10:30
#22431
30K
18.64 mi13:51:442:55:189:2432:24
10:26
#22506
20M
20.00 mi14:05:513:09:259:2814:07
10:23
#22467
21M
21.00 mi14:17:283:21:029:3411:37
11:37
#22483
35K
21.75 mi14:24:403:28:149:347:12
9:37
#22416
23M
23.00 mi14:37:543:41:289:3813:14
10:34
#22386
24M
24.00 mi14:48:153:51:499:4010:21
10:21
#22375
40K
24.85 mi14:57:244:00:589:429:09
10:42
#22358
25.2M
25.20 mi15:01:434:05:179:444:19
12:31
#22389
Finish
26.22 mi15:12:224:15:569:4610:39
10:27
#22468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi212868239823923117(Top 81%)9162(Top 75%)9162(Top 922%)
10K6.21 mi3.10 mi21250+368185+548185+5421269(Top 75%)8184(Top 67%)8184(Top 823%)
15K9.32 mi3.11 mi21975-7258590-4058590-40523117(Top 81%)9162(Top 75%)9162(Top 922%)
20K12.43 mi3.11 mi21739+2368459+1318459+13121137(Top 74%)8133(Top 67%)8133(Top 818%)
Half13.11 mi0.68 mi21736+38458+18458+121934(Top 77%)8570(Top 70%)8570(Top 862%)
25K15.53 mi2.42 mi22431-6958827-3698827-36924374(Top 86%)9946(Top 81%)9946(Top 1001%)
30K18.64 mi3.11 mi22506-758915-888915-8822774(Top 80%)9196(Top 75%)9196(Top 925%)
20M20.00 mi1.36 mi22467+398911+48911+422128(Top 78%)8972(Top 73%)8972(Top 903%)
21M21.00 mi1.00 mi22483-168938-278938-2722859(Top 80%)9429(Top 77%)9429(Top 949%)
35K21.75 mi0.75 mi22416+678913+258913+2520798(Top 73%)8399(Top 69%)8399(Top 845%)
23M23.00 mi1.25 mi22386+308932-198932-1922190(Top 78%)9165(Top 75%)9165(Top 922%)
24M24.00 mi1.00 mi22375+118947-158947-1522412(Top 79%)9348(Top 76%)9348(Top 940%)
40K24.85 mi0.85 mi22358+178958-118958-1122468(Top 79%)9446(Top 77%)9446(Top 950%)
25.2M25.20 mi0.35 mi22389-318983-258983-2524256(Top 85%)10284(Top 84%)10284(Top 1035%)
Finish26.22 mi1.02 mi22468-799042-599042-5924180(Top 85%)10257(Top 84%)10257(Top 1032%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23117

Females

9162

F55-59

9162

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21269

Females

8184

F55-59

8184

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23117

Females

9162

F55-59

9162

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21137

Females

8133

F55-59

8133

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21934

Females

8570

F55-59

8570

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24374

Females

9946

F55-59

9946

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22774

Females

9196

F55-59

9196

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22128

Females

8972

F55-59

8972

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22859

Females

9429

F55-59

9429

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20798

Females

8399

F55-59

8399

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22190

Females

9165

F55-59

9165

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22412

Females

9348

F55-59

9348

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22468

Females

9446

F55-59

9446

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24256

Females

10284

F55-59

10284

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24180

Females

10257

F55-59

10257

Passing Analysis

Category:
Athletes Passed
1326
Passed By
2508
Net Change
-1182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21286
5K → 10K292256+36#21286#21250
10K → 15K51776-725#21250#21975
15K → 20K30771+236#21975#21739
20K → Half3835+3#21739#21736
Half → 25K24719-695#21736#22431
25K → 30K157232-75#22431#22506
30K → 20M9152+39#22506#22467
20M → 21M6884-16#22467#22483
21M → 35K758+67#22483#22416
35K → 23M8353+30#22416#22386
23M → 24M6453+11#22386#22375
24M → 40K4528+17#22375#22358
40K → 25.2M1344-31#22358#22389
25.2M → Finish1897-79#22389#22468
TOTALS13262508-1182
📊

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