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BOSTON MARATHON 2025

Allison Pon

Bib: 16050•F

AB

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Division (F18-39)
#0 / 5469
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
7:53/mi
24:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
49:23
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:14:48
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:40:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:46:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:06:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:33:02
↑ 181↓ 1480.2%
20M
8:28/mi
2:44:32
↑ 64↓ 500.2%
21M
8:53/mi
2:53:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:59:27
↑ 17↓ 861.7%
23M
8:24/mi
3:09:58
↑ 23↓ 630.6%
24M
8:12/mi
3:18:10
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:25:20
↓ 200.3%
25.2M
9:23/mi
3:28:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:36:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:26
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:50:19
Pace8:25 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0824:307:5324:30
7:53
-
10K
6.21 mi11:23:0149:237:5724:53
8:01
+0:08
15K
9.32 mi11:48:261:14:488:0225:25
8:11
+0:10
20K
12.43 mi12:14:221:40:448:0625:56
8:21
+0:10
Half
13.11 mi12:20:041:46:268:075:42
8:21
0:00
25K
15.53 mi12:40:232:06:458:1020:19
8:23
+0:02
30K
18.64 mi13:06:402:33:028:1326:17
8:28
+0:05
20M
20.00 mi13:18:102:44:328:1411:30
8:28
0:00
21M
21.00 mi13:27:032:53:258:158:53
8:53
+0:25
35K
21.75 mi13:33:052:59:278:156:02
8:04
-0:49
23M
23.00 mi13:43:363:09:588:1610:31
8:24
+0:20
24M
24.00 mi13:51:483:18:108:158:12
8:12
-0:12
40K
24.85 mi13:58:583:25:208:167:10
8:23
+0:11
25.2M
25.20 mi14:02:123:28:348:173:14
9:23
+1:00
Finish
26.22 mi14:10:233:36:458:168:11
8:02
-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

7:53 /mi

Average Pace

8:16 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:38

94% of race

Time at Steady Pace

8:53

4% of race

Time at Slower Pace

3:14

1% of race

Average Pace: 8:16 /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 mi10:58:0824:307:5324:30
7:53
#15561
10K
6.21 mi11:23:0149:237:5724:53
8:01
#16094
15K
9.32 mi11:48:261:14:488:0225:25
8:11
#16520
20K
12.43 mi12:14:221:40:448:0625:56
8:21
#16731
Half
13.11 mi12:20:041:46:268:075:42
8:21
#16808
25K
15.53 mi12:40:232:06:458:1020:19
8:23
#16706
30K
18.64 mi13:06:402:33:028:1326:17
8:28
#16276
20M
20.00 mi13:18:102:44:328:1411:30
8:28
#16059
21M
21.00 mi13:27:032:53:258:158:53
8:53
#15803
35K
21.75 mi13:33:052:59:278:156:02
8:04
#15658
23M
23.00 mi13:43:363:09:588:1610:31
8:24
#15455
24M
24.00 mi13:51:483:18:108:158:12
8:12
#15301
40K
24.85 mi13:58:583:25:208:167:10
8:23
#15180
25.2M
25.20 mi14:02:123:28:348:173:14
9:23
#15152
Finish
26.22 mi14:10:233:36:458:168:11
8:02
#15037
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155614868486817274(Top 61%)5882(Top 48%)5882(Top 108%)
10K6.21 mi3.10 mi16094-5335201-3335201-33316556(Top 58%)5452(Top 45%)5452(Top 100%)
15K9.32 mi3.11 mi16520-4265440-2395440-23917274(Top 61%)5882(Top 48%)5882(Top 108%)
20K12.43 mi3.11 mi16731-2115576-1365576-13617211(Top 61%)5887(Top 48%)5887(Top 108%)
Half13.11 mi0.68 mi16808-775611-355611-3518294(Top 64%)6471(Top 53%)6471(Top 118%)
25K15.53 mi2.42 mi16706+1025587+245587+2416438(Top 58%)5549(Top 45%)5549(Top 101%)
30K18.64 mi3.11 mi16276+4305397+1905397+19014522(Top 51%)4641(Top 38%)4641(Top 85%)
20M20.00 mi1.36 mi16059+2175301+965301+9613568(Top 48%)4285(Top 35%)4285(Top 78%)
21M21.00 mi1.00 mi15803+2565193+1085193+10812854(Top 45%)4051(Top 33%)4051(Top 74%)
35K21.75 mi0.75 mi15658+1455128+655128+6512753(Top 45%)4036(Top 33%)4036(Top 74%)
23M23.00 mi1.25 mi15455+2035048+805048+8012723(Top 45%)4121(Top 34%)4121(Top 75%)
24M24.00 mi1.00 mi15301+1544982+664982+6612614(Top 44%)4125(Top 34%)4125(Top 75%)
40K24.85 mi0.85 mi15180+1214947+354947+3512729(Top 45%)4303(Top 35%)4303(Top 79%)
25.2M25.20 mi0.35 mi15152+284940+74940+713936(Top 49%)4979(Top 41%)4979(Top 91%)
Finish26.22 mi1.02 mi15037+1154895+454895+4513118(Top 46%)4506(Top 37%)4506(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17274

Females

5882

F18-39

5882

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16556

Females

5452

F18-39

5452

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17274

Females

5882

F18-39

5882

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17211

Females

5887

F18-39

5887

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18294

Females

6471

F18-39

6471

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16438

Females

5549

F18-39

5549

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14522

Females

4641

F18-39

4641

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13568

Females

4285

F18-39

4285

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12854

Females

4051

F18-39

4051

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12753

Females

4036

F18-39

4036

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12723

Females

4121

F18-39

4121

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12614

Females

4125

F18-39

4125

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12729

Females

4303

F18-39

4303

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13936

Females

4979

F18-39

4979

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13118

Females

4506

F18-39

4506

Passing Analysis

Category:
Athletes Passed
2436
Passed By
1912
Net Change
+524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15561
5K → 10K144677-533#15561#16094
10K → 15K94520-426#16094#16520
15K → 20K141352-211#16520#16731
20K → Half2198-77#16731#16808
Half → 25K205103+102#16808#16706
25K → 30K47646+430#16706#16276
30K → 20M23518+217#16276#16059
20M → 21M26711+256#16059#15803
21M → 35K1516+145#15803#15658
35K → 23M21815+203#15658#15455
23M → 24M16511+154#15455#15301
24M → 40K13312+121#15301#15180
40K → 25.2M4820+28#15180#15152
25.2M → Finish13823+115#15152#15037
TOTALS24361912+524
📊

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