Boston Marathon logo
BOSTON MARATHON 2025

Jing Pan

Bib: 18392•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
Masters (Masters Women)
#0 / 6759
Top 21%
Division (F40-44)
#0 / 1718
Top 43%
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
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:12
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:36:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:42:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
2:01:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:27:42
↑ 181↓ 1480.2%
20M
8:37/mi
2:39:24
↑ 64↓ 500.2%
21M
9:18/mi
2:48:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:54:45
↑ 17↓ 861.7%
23M
8:31/mi
3:05:25
↑ 23↓ 630.6%
24M
8:16/mi
3:13:41
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:20:54
↓ 200.3%
25.2M
11:10/mi
3:24:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:33:26
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:09
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:51:17
Pace8:29 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5224:167:4924:16
7:49
-
10K
6.21 mi11:39:5148:157:4623:59
7:43
-0:06
15K
9.32 mi12:03:481:12:127:4523:57
7:43
0:00
20K
12.43 mi12:28:191:36:437:4724:31
7:53
+0:10
Half
13.11 mi12:33:451:42:097:485:26
7:58
+0:05
25K
15.53 mi12:53:242:01:487:5019:39
8:06
+0:08
30K
18.64 mi13:19:182:27:427:5525:54
8:20
+0:14
20M
20.00 mi13:31:002:39:247:5811:42
8:37
+0:17
21M
21.00 mi13:40:182:48:428:029:18
9:18
+0:41
35K
21.75 mi13:46:212:54:458:026:03
8:05
-1:13
23M
23.00 mi13:57:013:05:258:0410:40
8:31
+0:26
24M
24.00 mi14:05:173:13:418:048:16
8:16
-0:15
40K
24.85 mi14:12:303:20:548:057:13
8:26
+0:10
25.2M
25.20 mi14:16:213:24:458:083:51
11:10
+2:44
Finish
26.22 mi14:25:023:33:268:098:41
8:31
-2:39

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

7:43 /mi

Average Pace

8:09 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:12

34% of race

Time at Steady Pace

2:08:05

60% of race

Time at Slower Pace

13:09

6% of race

Average Pace: 8:08 /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 mi11:15:5224:167:4924:16
7:49
#14911
10K
6.21 mi11:39:5148:157:4623:59
7:43
#14473
15K
9.32 mi12:03:481:12:127:4523:57
7:43
#14172
20K
12.43 mi12:28:191:36:437:4724:31
7:53
#14107
Half
13.11 mi12:33:451:42:097:485:26
7:58
#14183
25K
15.53 mi12:53:242:01:487:5019:39
8:06
#14230
30K
18.64 mi13:19:182:27:427:5525:54
8:20
#14065
20M
20.00 mi13:31:002:39:247:5811:42
8:37
#14067
21M
21.00 mi13:40:182:48:428:029:18
9:18
#14121
35K
21.75 mi13:46:212:54:458:026:03
8:05
#14063
23M
23.00 mi13:57:013:05:258:0410:40
8:31
#14026
24M
24.00 mi14:05:173:13:418:048:16
8:16
#13975
40K
24.85 mi14:12:303:20:548:057:13
8:26
#13907
25.2M
25.20 mi14:16:213:24:458:083:51
11:10
#14091
Finish
26.22 mi14:25:023:33:268:098:41
8:31
#14152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi149114470447013608(Top 48%)3794(Top 31%)3794(Top 221%)
10K6.21 mi3.10 mi14473+4384217+2534217+25314084(Top 50%)4005(Top 33%)4005(Top 233%)
15K9.32 mi3.11 mi14172+3014073+1444073+14413608(Top 48%)3794(Top 31%)3794(Top 221%)
20K12.43 mi3.11 mi14107+654065+84065+814022(Top 49%)4110(Top 34%)4110(Top 239%)
Half13.11 mi0.68 mi14183-764114-494114-4915636(Top 55%)4956(Top 41%)4956(Top 288%)
25K15.53 mi2.42 mi14230-474174-604174-6014688(Top 52%)4582(Top 37%)4582(Top 267%)
30K18.64 mi3.11 mi14065+1654143+314143+3113735(Top 48%)4220(Top 35%)4220(Top 246%)
20M20.00 mi1.36 mi14067-24179-364179-3614506(Top 51%)4775(Top 39%)4775(Top 278%)
21M21.00 mi1.00 mi14121-544234-554234-5515150(Top 53%)5254(Top 43%)5254(Top 306%)
35K21.75 mi0.75 mi14063+584221+134221+1312883(Top 45%)4102(Top 34%)4102(Top 239%)
23M23.00 mi1.25 mi14026+374235-144235-1413439(Top 47%)4491(Top 37%)4491(Top 261%)
24M24.00 mi1.00 mi13975+514248-134248-1313055(Top 46%)4346(Top 36%)4346(Top 253%)
40K24.85 mi0.85 mi13907+684245+34245+313071(Top 46%)4482(Top 37%)4482(Top 261%)
25.2M25.20 mi0.35 mi14091-1844342-974342-9721125(Top 74%)8708(Top 71%)8708(Top 507%)
Finish26.22 mi1.02 mi14152-614399-574399-5716353(Top 58%)6213(Top 51%)6213(Top 362%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13608

Females

3794

F40-44

3794

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14084

Females

4005

F40-44

4005

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13608

Females

3794

F40-44

3794

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

14022

Females

4110

F40-44

4110

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15636

Females

4956

F40-44

4956

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14688

Females

4582

F40-44

4582

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13735

Females

4220

F40-44

4220

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14506

Females

4775

F40-44

4775

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15150

Females

5254

F40-44

5254

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12883

Females

4102

F40-44

4102

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13439

Females

4491

F40-44

4491

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13055

Females

4346

F40-44

4346

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13071

Females

4482

F40-44

4482

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21125

Females

8708

F40-44

8708

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16353

Females

6213

F40-44

6213

Passing Analysis

Category:
Athletes Passed
2390
Passed By
1631
Net Change
+759
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14911
5K → 10K564126+438#14911#14473
10K → 15K37473+301#14473#14172
15K → 20K245180+65#14172#14107
20K → Half1086-76#14107#14183
Half → 25K151198-47#14183#14230
25K → 30K331166+165#14230#14065
30K → 20M119121-2#14065#14067
20M → 21M92146-54#14067#14121
21M → 35K9133+58#14121#14063
35K → 23M13194+37#14063#14026
23M → 24M10857+51#14026#13975
24M → 40K11648+68#13975#13907
40K → 25.2M5189-184#13907#14091
25.2M → Finish53114-61#14091#14152
TOTALS23901631+759
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing