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BOSTON MARATHON 2025

Xi Hong

Bib: 23825•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:46/mi
27:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
54:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:22:28
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:50:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:56:22
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:18:12
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:47:13
↑ 181↓ 1480.2%
20M
9:24/mi
2:59:59
↑ 64↓ 500.2%
21M
9:53/mi
3:09:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:16:34
↑ 17↓ 861.7%
23M
9:34/mi
3:28:33
↑ 23↓ 630.6%
24M
9:17/mi
3:37:50
↓ 821.3%
40K· 24.85 mi
9:30/mi
3:45:57
↓ 200.3%
25.2M
10:26/mi
3:49:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:05/mi
3:58:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:22
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:02:26
Pace9:20 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3127:158:4627:15
8:46
-
10K
6.21 mi11:50:1054:548:5027:39
8:54
+0:08
15K
9.32 mi12:17:441:22:288:5127:34
8:52
-0:02
20K
12.43 mi12:45:341:50:188:5327:50
8:58
+0:06
Half
13.11 mi12:51:381:56:228:536:04
8:54
-0:04
25K
15.53 mi13:13:282:18:128:5421:50
9:00
+0:06
30K
18.64 mi13:42:292:47:138:5829:01
9:20
+0:20
20M
20.00 mi13:55:152:59:599:0012:46
9:24
+0:04
21M
21.00 mi14:05:083:09:529:029:53
9:53
+0:29
35K
21.75 mi14:11:503:16:349:026:42
8:57
-0:56
23M
23.00 mi14:23:493:28:339:0411:59
9:34
+0:37
24M
24.00 mi14:33:063:37:509:059:17
9:17
-0:17
40K
24.85 mi14:41:133:45:579:058:07
9:30
+0:13
25.2M
25.20 mi14:44:493:49:339:073:36
10:26
+0:56
Finish
26.22 mi14:54:043:58:489:079:15
9:05
-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

8:46 /mi

Average Pace

9:07 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:45:19

94% of race

Time at Steady Pace

9:53

4% of race

Time at Slower Pace

3:36

2% of race

Average Pace: 9:06 /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 mi11:22:3127:158:4627:15
8:46
#21364
10K
6.21 mi11:50:1054:548:5027:39
8:54
#21639
15K
9.32 mi12:17:441:22:288:5127:34
8:52
#21526
20K
12.43 mi12:45:341:50:188:5327:50
8:58
#21311
Half
13.11 mi12:51:381:56:228:536:04
8:54
#21312
25K
15.53 mi13:13:282:18:128:5421:50
9:00
#21080
30K
18.64 mi13:42:292:47:138:5829:01
9:20
#20729
20M
20.00 mi13:55:152:59:599:0012:46
9:24
#20552
21M
21.00 mi14:05:083:09:529:029:53
9:53
#20399
35K
21.75 mi14:11:503:16:349:026:42
8:57
#20296
23M
23.00 mi14:23:493:28:339:0411:59
9:34
#20223
24M
24.00 mi14:33:063:37:509:059:17
9:17
#20179
40K
24.85 mi14:41:133:45:579:058:07
9:30
#20133
25.2M
25.20 mi14:44:493:49:339:073:36
10:26
#20118
Finish
26.22 mi14:54:043:58:489:079:15
9:05
#20126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi213648276827621420(Top 75%)8228(Top 67%)8228(Top 454%)
10K6.21 mi3.10 mi21639-2758408-1328408-13221930(Top 77%)8558(Top 70%)8558(Top 472%)
15K9.32 mi3.11 mi21526+1138319+898319+8921420(Top 75%)8228(Top 67%)8228(Top 454%)
20K12.43 mi3.11 mi21311+2158207+1128207+11220770(Top 73%)7929(Top 65%)7929(Top 437%)
Half13.11 mi0.68 mi21312-18208-18208-121376(Top 75%)8237(Top 67%)8237(Top 454%)
25K15.53 mi2.42 mi21080+2328085+1238085+12319937(Top 70%)7502(Top 61%)7502(Top 414%)
30K18.64 mi3.11 mi20729+3517945+1407945+14019309(Top 68%)7293(Top 60%)7293(Top 402%)
20M20.00 mi1.36 mi20552+1777856+897856+8918744(Top 66%)7134(Top 58%)7134(Top 393%)
21M21.00 mi1.00 mi20399+1537796+607796+6017865(Top 63%)6725(Top 55%)6725(Top 371%)
35K21.75 mi0.75 mi20296+1037759+377759+3718064(Top 64%)6946(Top 57%)6946(Top 383%)
23M23.00 mi1.25 mi20223+737743+167743+1618992(Top 67%)7515(Top 61%)7515(Top 415%)
24M24.00 mi1.00 mi20179+447742+17742+118769(Top 66%)7426(Top 61%)7426(Top 410%)
40K24.85 mi0.85 mi20133+467738+47738+418707(Top 66%)7483(Top 61%)7483(Top 413%)
25.2M25.20 mi0.35 mi20118+157737+17737+118841(Top 66%)7552(Top 62%)7552(Top 417%)
Finish26.22 mi1.02 mi20126-87743-67743-619438(Top 68%)7838(Top 64%)7838(Top 432%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21420

Females

8228

F45-49

8228

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21930

Females

8558

F45-49

8558

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21420

Females

8228

F45-49

8228

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20770

Females

7929

F45-49

7929

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21376

Females

8237

F45-49

8237

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19937

Females

7502

F45-49

7502

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19309

Females

7293

F45-49

7293

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18744

Females

7134

F45-49

7134

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17865

Females

6725

F45-49

6725

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18064

Females

6946

F45-49

6946

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

18992

Females

7515

F45-49

7515

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18769

Females

7426

F45-49

7426

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18707

Females

7483

F45-49

7483

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18841

Females

7552

F45-49

7552

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19438

Females

7838

F45-49

7838

Passing Analysis

Category:
Athletes Passed
2310
Passed By
1072
Net Change
+1238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21364
5K → 10K163438-275#21364#21639
10K → 15K267154+113#21639#21526
15K → 20K30691+215#21526#21311
20K → Half3839-1#21311#21312
Half → 25K27139+232#21312#21080
25K → 30K40453+351#21080#20729
30K → 20M20023+177#20729#20552
20M → 21M17623+153#20552#20399
21M → 35K11310+103#20399#20296
35K → 23M12552+73#20296#20223
23M → 24M7329+44#20223#20179
24M → 40K8236+46#20179#20133
40K → 25.2M3217+15#20133#20118
25.2M → Finish6068-8#20118#20126
TOTALS23101072+1238
📊

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