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BOSTON MARATHON 2025

Maria Nikolakopoulos

Bib: 26673•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

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
11:22/mi
35:19
↑ 97↓ 3451.5%
10K· 6.21 mi
11:16/mi
1:10:18
↑ 79↓ 1380.4%
15K· 9.32 mi
11:12/mi
1:45:05
↑ 67↓ 78
20K· 12.43 mi
11:14/mi
2:19:59
↑ 106↓ 860.1%
Half· 13.11 mi
11:08/mi
2:27:35
↑ 19↓ 370.5%
25K· 15.53 mi
11:35/mi
2:55:39
↑ 66↓ 880.2%
30K· 18.64 mi
11:58/mi
3:32:51
↑ 181↓ 1480.2%
20M
12:19/mi
3:49:35
↑ 64↓ 500.2%
21M
13:57/mi
4:03:32
↑ 106↓ 241.6%
35K· 21.75 mi
12:18/mi
4:12:44
↑ 17↓ 861.7%
23M
12:43/mi
4:28:39
↑ 23↓ 630.6%
24M
12:18/mi
4:40:57
↓ 821.3%
40K· 24.85 mi
12:19/mi
4:51:29
↓ 200.3%
25.2M
14:36/mi
4:56:31
↑ 13↓ 160.2%
Finish· 26.22 mi
11:09/mi
5:07:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:35
Pace11:15 /mi
2nd Half
Distance13.11 mi
Time2:40:18
Pace12:14 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2035:1911:2235:19
11:22
-
10K
6.21 mi12:31:191:10:1811:1934:59
11:16
-0:06
15K
9.32 mi13:06:061:45:0511:1634:47
11:12
-0:04
20K
12.43 mi13:41:002:19:5911:1634:54
11:14
+0:02
Half
13.11 mi13:48:362:27:3511:157:36
11:08
-0:06
25K
15.53 mi14:16:402:55:3911:1828:04
11:35
+0:27
30K
18.64 mi14:53:523:32:5111:2537:12
11:58
+0:23
20M
20.00 mi15:10:363:49:3511:2916:44
12:19
+0:21
21M
21.00 mi15:24:334:03:3211:3613:57
13:57
+1:38
35K
21.75 mi15:33:454:12:4411:379:12
12:18
-1:39
23M
23.00 mi15:49:404:28:3911:4115:55
12:43
+0:25
24M
24.00 mi16:01:584:40:5711:4212:18
12:18
-0:25
40K
24.85 mi16:12:304:51:2911:4410:32
12:19
+0:01
25.2M
25.20 mi16:17:324:56:3111:465:02
14:36
+2:17
Finish
26.22 mi16:28:545:07:5311:4511:22
11:09
-3:27

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

11:08 /mi

Average Pace

11:45 /mi

Slowest Pace

14:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:57

52% of race

Time at Steady Pace

1:54:02

37% of race

Time at Slower Pace

34:54

11% of race

Average Pace: 11:45 /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 mi11:56:2035:1911:2235:19
11:22
#27910
10K
6.21 mi12:31:191:10:1811:1934:59
11:16
#27650
15K
9.32 mi13:06:061:45:0511:1634:47
11:12
#27404
20K
12.43 mi13:41:002:19:5911:1634:54
11:14
#27112
Half
13.11 mi13:48:362:27:3511:157:36
11:08
#27082
25K
15.53 mi14:16:402:55:3911:1828:04
11:35
#26922
30K
18.64 mi14:53:523:32:5111:2537:12
11:58
#26683
20M
20.00 mi15:10:363:49:3511:2916:44
12:19
#26609
21M
21.00 mi15:24:334:03:3211:3613:57
13:57
#26600
35K
21.75 mi15:33:454:12:4411:379:12
12:18
#26596
23M
23.00 mi15:49:404:28:3911:4115:55
12:43
#26575
24M
24.00 mi16:01:584:40:5711:4212:18
12:18
#26572
40K
24.85 mi16:12:304:51:2911:4410:32
12:19
#26558
25.2M
25.20 mi16:17:324:56:3111:465:02
14:36
#26572
Finish
26.22 mi16:28:545:07:5311:4511:22
11:09
#26544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27910119021190226917(Top 95%)11330(Top 93%)11330(Top 207%)
10K6.21 mi3.10 mi27650+26011736+16611736+16627341(Top 96%)11572(Top 95%)11572(Top 212%)
15K9.32 mi3.11 mi27404+24611593+14311593+14326917(Top 95%)11330(Top 93%)11330(Top 207%)
20K12.43 mi3.11 mi27112+29211436+15711436+15726325(Top 93%)10988(Top 90%)10988(Top 201%)
Half13.11 mi0.68 mi27082+3011419+1711419+1726684(Top 94%)11227(Top 92%)11227(Top 205%)
25K15.53 mi2.42 mi26922+16011332+8711332+8725954(Top 91%)10839(Top 89%)10839(Top 198%)
30K18.64 mi3.11 mi26683+23911213+11911213+11925557(Top 90%)10709(Top 88%)10709(Top 196%)
20M20.00 mi1.36 mi26609+7411178+3511178+3525692(Top 90%)10845(Top 89%)10845(Top 198%)
21M21.00 mi1.00 mi26600+911185-711185-726175(Top 92%)11141(Top 91%)11141(Top 204%)
35K21.75 mi0.75 mi26596+411190-511190-526234(Top 92%)11209(Top 92%)11209(Top 205%)
23M23.00 mi1.25 mi26575+2111196-611196-626051(Top 92%)11118(Top 91%)11118(Top 203%)
24M24.00 mi1.00 mi26572+311200-411200-426040(Top 92%)11149(Top 91%)11149(Top 204%)
40K24.85 mi0.85 mi26558+1411193+711193+725395(Top 89%)10865(Top 89%)10865(Top 199%)
25.2M25.20 mi0.35 mi26572-1411203-1011203-1026802(Top 94%)11567(Top 95%)11567(Top 212%)
Finish26.22 mi1.02 mi26544+2811191+1211191+1225626(Top 90%)10973(Top 90%)10973(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

26917

Females

11330

F18-39

11330

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27341

Females

11572

F18-39

11572

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

26917

Females

11330

F18-39

11330

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26325

Females

10988

F18-39

10988

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26684

Females

11227

F18-39

11227

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25954

Females

10839

F18-39

10839

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25557

Females

10709

F18-39

10709

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25692

Females

10845

F18-39

10845

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26175

Females

11141

F18-39

11141

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26234

Females

11209

F18-39

11209

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26051

Females

11118

F18-39

11118

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26040

Females

11149

F18-39

11149

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25395

Females

10865

F18-39

10865

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26802

Females

11567

F18-39

11567

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25626

Females

10973

F18-39

10973

Passing Analysis

Category:
Athletes Passed
1576
Passed By
210
Net Change
+1366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27910
5K → 10K27010+260#27910#27650
10K → 15K2526+246#27650#27404
15K → 20K2964+292#27404#27112
20K → Half311+30#27112#27082
Half → 25K1688+160#27082#26922
25K → 30K25011+239#26922#26683
30K → 20M8511+74#26683#26609
20M → 21M3829+9#26609#26600
21M → 35K2521+4#26600#26596
35K → 23M5635+21#26596#26575
23M → 24M3027+3#26575#26572
24M → 40K3218+14#26572#26558
40K → 25.2M721-14#26558#26572
25.2M → Finish368+28#26572#26544
TOTALS1576210+1366
📊

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