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BOSTON MARATHON 2025

Alex Bardon

Bib: 15256•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
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
7:20/mi
22:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
45:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:08:49
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:37:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
1:56:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:22:25
↑ 181↓ 1480.2%
20M
8:25/mi
2:33:51
↑ 64↓ 500.2%
21M
8:35/mi
2:42:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:48:22
↑ 17↓ 861.7%
23M
8:11/mi
2:58:37
↑ 23↓ 630.6%
24M
8:13/mi
3:06:50
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:14:14
↓ 200.3%
25.2M
10:41/mi
3:17:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:26:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:31
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0222:477:2022:47
7:20
-
10K
6.21 mi11:17:0845:537:2323:06
7:26
+0:06
15K
9.32 mi11:40:041:08:497:2322:56
7:23
-0:03
20K
12.43 mi12:03:361:32:217:2623:32
7:34
+0:11
Half
13.11 mi12:08:461:37:317:265:10
7:34
0:00
25K
15.53 mi12:28:141:56:597:3219:28
8:02
+0:28
30K
18.64 mi12:53:402:22:257:3825:26
8:11
+0:09
20M
20.00 mi13:05:062:33:517:4211:26
8:25
+0:14
21M
21.00 mi13:13:412:42:267:448:35
8:35
+0:10
35K
21.75 mi13:19:372:48:227:455:56
7:56
-0:39
23M
23.00 mi13:29:522:58:377:4610:15
8:11
+0:15
24M
24.00 mi13:38:053:06:507:478:13
8:13
+0:02
40K
24.85 mi13:45:293:14:147:497:24
8:39
+0:26
25.2M
25.20 mi13:49:103:17:557:513:41
10:41
+2:02
Finish
26.22 mi13:57:393:26:247:538:29
8:19
-2:22

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

7:20 /mi

Average Pace

7:53 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:31

47% of race

Time at Steady Pace

1:29:13

43% of race

Time at Slower Pace

19:40

10% of race

Average Pace: 7:52 /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 mi10:54:0222:477:2022:47
7:20
#10725
10K
6.21 mi11:17:0845:537:2323:06
7:26
#11109
15K
9.32 mi11:40:041:08:497:2322:56
7:23
#10914
20K
12.43 mi12:03:361:32:217:2623:32
7:34
#11033
Half
13.11 mi12:08:461:37:317:265:10
7:34
#11123
25K
15.53 mi12:28:141:56:597:3219:28
8:02
#11602
30K
18.64 mi12:53:402:22:257:3825:26
8:11
#11739
20M
20.00 mi13:05:062:33:517:4211:26
8:25
#11840
21M
21.00 mi13:13:412:42:267:448:35
8:35
#11772
35K
21.75 mi13:19:372:48:227:455:56
7:56
#11755
23M
23.00 mi13:29:522:58:377:4610:15
8:11
#11699
24M
24.00 mi13:38:053:06:507:478:13
8:13
#11729
40K
24.85 mi13:45:293:14:147:497:24
8:39
#11815
25.2M
25.20 mi13:49:103:17:557:513:41
10:41
#11988
Finish
26.22 mi13:57:393:26:247:538:29
8:19
#12104
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107252151215110716(Top 38%)2231(Top 18%)2231(Top 41%)
10K6.21 mi3.10 mi11109-3842354-2032354-20311526(Top 41%)2581(Top 21%)2581(Top 47%)
15K9.32 mi3.11 mi10914+1952278+762278+7610716(Top 38%)2231(Top 18%)2231(Top 41%)
20K12.43 mi3.11 mi11033-1192358-802358-8011405(Top 40%)2690(Top 22%)2690(Top 49%)
Half13.11 mi0.68 mi11123-902415-572415-5712418(Top 44%)3185(Top 26%)3185(Top 58%)
25K15.53 mi2.42 mi11602-4792707-2922707-29214123(Top 50%)4257(Top 35%)4257(Top 78%)
30K18.64 mi3.11 mi11739-1372865-1582865-15812728(Top 45%)3676(Top 30%)3676(Top 67%)
20M20.00 mi1.36 mi11840-1012947-822947-8213244(Top 47%)4105(Top 34%)4105(Top 75%)
21M21.00 mi1.00 mi11772+682950-32950-311010(Top 39%)3105(Top 25%)3105(Top 57%)
35K21.75 mi0.75 mi11755+172957-72957-711804(Top 42%)3543(Top 29%)3543(Top 65%)
23M23.00 mi1.25 mi11699+562980-232980-2311301(Top 40%)3380(Top 28%)3380(Top 62%)
24M24.00 mi1.00 mi11729-303041-613041-6112700(Top 45%)4155(Top 34%)4155(Top 76%)
40K24.85 mi0.85 mi11815-863110-693110-6914376(Top 51%)5168(Top 42%)5168(Top 94%)
25.2M25.20 mi0.35 mi11988-1733219-1093219-10919656(Top 69%)7967(Top 65%)7967(Top 146%)
Finish26.22 mi1.02 mi12104-1163295-763295-7615078(Top 53%)5515(Top 45%)5515(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10716

Females

2231

F18-39

2231

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11526

Females

2581

F18-39

2581

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10716

Females

2231

F18-39

2231

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11405

Females

2690

F18-39

2690

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12418

Females

3185

F18-39

3185

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14123

Females

4257

F18-39

4257

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12728

Females

3676

F18-39

3676

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13244

Females

4105

F18-39

4105

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11010

Females

3105

F18-39

3105

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11804

Females

3543

F18-39

3543

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11301

Females

3380

F18-39

3380

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12700

Females

4155

F18-39

4155

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14376

Females

5168

F18-39

5168

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19656

Females

7967

F18-39

7967

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

15078

Females

5515

F18-39

5515

Passing Analysis

Category:
Athletes Passed
1393
Passed By
2772
Net Change
-1379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10725
5K → 10K120504-384#10725#11109
10K → 15K27883+195#11109#10914
15K → 20K136255-119#10914#11033
20K → Half14104-90#11033#11123
Half → 25K69548-479#11123#11602
25K → 30K189326-137#11602#11739
30K → 20M88189-101#11739#11840
20M → 21M13365+68#11840#11772
21M → 35K6447+17#11772#11755
35K → 23M13276+56#11755#11699
23M → 24M72102-30#11699#11729
24M → 40K56142-86#11729#11815
40K → 25.2M4177-173#11815#11988
25.2M → Finish38154-116#11988#12104
TOTALS13932772-1379
📊

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