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BOSTON MARATHON 2025

Maggie Sakellarios

Bib: 25834•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:51
Rank: #26189
Start → 5K
31:51 | 10:15/mi
10K· 6.21 mi
1:05:07
Rank: #26450 (-261)
5K → 10K
33:16 | 10:42/mi
15K· 9.32 mi
1:37:15
Rank: #26160 (+290)
10K → 15K
32:08 | 10:21/mi
20K· 12.43 mi
2:09:21
Rank: #25806 (+354)
15K → 20K
32:06 | 10:20/mi
Half· 13.11 mi
2:16:15
Rank: #25770 (+36)
20K → Half
6:54 | 10:07/mi
25K· 15.53 mi
2:41:33
Rank: #25509 (+261)
Half → 25K
25:18 | 10:26/mi
30K· 18.64 mi
3:15:14
Rank: #25182 (+327)
25K → 30K
33:41 | 10:50/mi
20M
3:29:32
Rank: #25026 (+156)
30K → 20M
14:18 | 10:31/mi
21M
3:41:21
Rank: #24946 (+80)
20M → 21M
11:49 | 11:49/mi
35K· 21.75 mi
3:49:39
Rank: #24939 (+7)
21M → 35K
8:18 | 11:06/mi
23M
4:03:38
Rank: #24875 (+64)
35K → 23M
13:59 | 11:10/mi
24M
4:14:35
Rank: #24830 (+45)
23M → 24M
10:57 | 10:57/mi
40K· 24.85 mi
4:23:59
Rank: #24781 (+49)
24M → 40K
9:24 | 11:00/mi
25.2M
4:28:01
Rank: #24752 (+29)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
4:37:54
Rank: #24686 (+66)
25.2M → Finish
9:53 | 9:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:15
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:21:39
Pace10:48 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0331:5110:1531:51
10:15
-
10K
6.21 mi12:31:191:05:0710:2933:16
10:42
+0:27
15K
9.32 mi13:03:271:37:1510:2632:08
10:21
-0:21
20K
12.43 mi13:35:332:09:2110:2532:06
10:20
-0:01
Half
13.11 mi13:42:272:16:1510:246:54
10:07
-0:13
25K
15.53 mi14:07:452:41:3310:2425:18
10:26
+0:19
30K
18.64 mi14:41:263:15:1410:2833:41
10:50
+0:24
20M
20.00 mi14:55:443:29:3210:2914:18
10:31
-0:19
21M
21.00 mi15:07:333:41:2110:3211:49
11:49
+1:18
35K
21.75 mi15:15:513:49:3910:348:18
11:06
-0:43
23M
23.00 mi15:29:504:03:3810:3613:59
11:10
+0:04
24M
24.00 mi15:40:474:14:3510:3610:57
10:57
-0:13
40K
24.85 mi15:50:114:23:5910:379:24
11:00
+0:03
25.2M
25.20 mi15:54:134:28:0110:384:02
11:42
+0:42
Finish
26.22 mi16:04:064:37:5410:369:53
9:42
-2:00

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

9:42 /mi

Average Pace

10:36 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:52

41% of race

Time at Steady Pace

1:57:30

42% of race

Time at Slower Pace

47:32

17% of race

Average Pace: 10:36 /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 mi11:58:0331:5110:1531:51
10:15
#26189
10K
6.21 mi12:31:191:05:0710:2933:16
10:42
#26450
15K
9.32 mi13:03:271:37:1510:2632:08
10:21
#26160
20K
12.43 mi13:35:332:09:2110:2532:06
10:20
#25806
Half
13.11 mi13:42:272:16:1510:246:54
10:07
#25770
25K
15.53 mi14:07:452:41:3310:2425:18
10:26
#25509
30K
18.64 mi14:41:263:15:1410:2833:41
10:50
#25182
20M
20.00 mi14:55:443:29:3210:2914:18
10:31
#25026
21M
21.00 mi15:07:333:41:2110:3211:49
11:49
#24946
35K
21.75 mi15:15:513:49:3910:348:18
11:06
#24939
23M
23.00 mi15:29:504:03:3810:3613:59
11:10
#24875
24M
24.00 mi15:40:474:14:3510:3610:57
10:57
#24830
40K
24.85 mi15:50:114:23:5910:379:24
11:00
#24781
25.2M
25.20 mi15:54:134:28:0110:384:02
11:42
#24752
Finish
26.22 mi16:04:064:37:5410:369:53
9:42
#24686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26189108621086225664(Top 90%)10596(Top 87%)10596(Top 194%)
10K6.21 mi3.10 mi26450-26111022-16011022-16026607(Top 94%)11125(Top 91%)11125(Top 203%)
15K9.32 mi3.11 mi26160+29010868+15410868+15425664(Top 90%)10596(Top 87%)10596(Top 194%)
20K12.43 mi3.11 mi25806+35410678+19010678+19024882(Top 88%)10194(Top 83%)10194(Top 186%)
Half13.11 mi0.68 mi25770+3610652+2610652+2625031(Top 88%)10278(Top 84%)10278(Top 188%)
25K15.53 mi2.42 mi25509+26110526+12610526+12624239(Top 85%)9874(Top 81%)9874(Top 181%)
30K18.64 mi3.11 mi25182+32710384+14210384+14223696(Top 83%)9703(Top 79%)9703(Top 177%)
20M20.00 mi1.36 mi25026+15610308+7610308+7622477(Top 79%)9152(Top 75%)9152(Top 167%)
21M21.00 mi1.00 mi24946+8010274+3410274+3423226(Top 82%)9619(Top 79%)9619(Top 176%)
35K21.75 mi0.75 mi24939+710275-110275-124380(Top 86%)10264(Top 84%)10264(Top 188%)
23M23.00 mi1.25 mi24875+6410259+1610259+1623581(Top 83%)9895(Top 81%)9895(Top 181%)
24M24.00 mi1.00 mi24830+4510251+810251+823873(Top 84%)10056(Top 82%)10056(Top 184%)
40K24.85 mi0.85 mi24781+4910239+1210239+1223109(Top 81%)9763(Top 80%)9763(Top 179%)
25.2M25.20 mi0.35 mi24752+2910228+1110228+1122485(Top 79%)9408(Top 77%)9408(Top 172%)
Finish26.22 mi1.02 mi24686+6610198+3010198+3021881(Top 77%)9106(Top 74%)9106(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25664

Females

10596

F18-39

10596

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26607

Females

11125

F18-39

11125

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25664

Females

10596

F18-39

10596

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24882

Females

10194

F18-39

10194

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25031

Females

10278

F18-39

10278

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24239

Females

9874

F18-39

9874

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23696

Females

9703

F18-39

9703

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22477

Females

9152

F18-39

9152

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23226

Females

9619

F18-39

9619

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24380

Females

10264

F18-39

10264

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23581

Females

9895

F18-39

9895

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23873

Females

10056

F18-39

10056

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23109

Females

9763

F18-39

9763

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22485

Females

9408

F18-39

9408

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21881

Females

9106

F18-39

9106

Passing Analysis

Category:
Athletes Passed
2004
Passed By
501
Net Change
+1503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26189
5K → 10K84345-261#26189#26450
10K → 15K30313+290#26450#26160
15K → 20K3595+354#26160#25806
20K → Half459+36#25806#25770
Half → 25K27312+261#25770#25509
25K → 30K34518+327#25509#25182
30K → 20M1615+156#25182#25026
20M → 21M9414+80#25026#24946
21M → 35K3326+7#24946#24939
35K → 23M8319+64#24939#24875
23M → 24M5914+45#24875#24830
24M → 40K6011+49#24830#24781
40K → 25.2M334+29#24781#24752
25.2M → Finish726+66#24752#24686
TOTALS2004501+1503
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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