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BOSTON MARATHON 2025

Maria Zafiropoulos

Bib: 30680•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Female)
#0 / 12228
Top 13%
Division (F18-39)
#0 / 5469
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:52
Rank: #10953
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
44:11
Rank: #8725 (+2228)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:06:53
Rank: #9133 (-408)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:29:56
Rank: #9315 (-182)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:34:49
Rank: #9285 (+30)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:52:34
Rank: #9088 (+197)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:16:34
Rank: #9073 (+15)
25K → 30K
24:00 | 7:43/mi
20M
2:26:59
Rank: #8949 (+124)
30K → 20M
10:25 | 7:40/mi
21M
2:35:06
Rank: #8861 (+88)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:40:48
Rank: #8851 (+10)
21M → 35K
5:42 | 7:37/mi
23M
2:50:24
Rank: #8732 (+119)
35K → 23M
9:36 | 7:40/mi
24M
2:57:55
Rank: #8637 (+95)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:04:40
Rank: #8629 (+8)
24M → 40K
6:45 | 7:54/mi
25.2M
3:07:37
Rank: #8618 (+11)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:15:02
Rank: #8560 (+58)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:49
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:40:13
Pace7:39 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4822:527:2222:52
7:22
-
10K
6.21 mi12:05:0744:117:0721:19
6:52
-0:30
15K
9.32 mi12:27:491:06:537:1122:42
7:18
+0:26
20K
12.43 mi12:50:521:29:567:1423:03
7:25
+0:07
Half
13.11 mi12:55:451:34:497:144:53
7:09
-0:16
25K
15.53 mi13:13:301:52:347:1517:45
7:19
+0:10
30K
18.64 mi13:37:302:16:347:2024:00
7:43
+0:24
20M
20.00 mi13:47:552:26:597:2110:25
7:40
-0:03
21M
21.00 mi13:56:022:35:067:238:07
8:07
+0:27
35K
21.75 mi14:01:442:40:487:245:42
7:37
-0:30
23M
23.00 mi14:11:202:50:247:259:36
7:40
+0:03
24M
24.00 mi14:18:512:57:557:257:31
7:31
-0:09
40K
24.85 mi14:25:363:04:407:266:45
7:54
+0:23
25.2M
25.20 mi14:28:333:07:377:272:57
8:33
+0:39
Finish
26.22 mi14:35:583:15:027:277:25
7:17
-1:16

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

6:52 /mi

Average Pace

7:27 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:04

38% of race

Time at Steady Pace

1:19:09

41% of race

Time at Slower Pace

41:49

21% of race

Average Pace: 7:26 /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 mi11:43:4822:527:2222:52
7:22
#10953
10K
6.21 mi12:05:0744:117:0721:19
6:52
#8725
15K
9.32 mi12:27:491:06:537:1122:42
7:18
#9133
20K
12.43 mi12:50:521:29:567:1423:03
7:25
#9315
Half
13.11 mi12:55:451:34:497:144:53
7:09
#9285
25K
15.53 mi13:13:301:52:347:1517:45
7:19
#9088
30K
18.64 mi13:37:302:16:347:2024:00
7:43
#9073
20M
20.00 mi13:47:552:26:597:2110:25
7:40
#8949
21M
21.00 mi13:56:022:35:067:238:07
8:07
#8861
35K
21.75 mi14:01:442:40:487:245:42
7:37
#8851
23M
23.00 mi14:11:202:50:247:259:36
7:40
#8732
24M
24.00 mi14:18:512:57:557:257:31
7:31
#8637
40K
24.85 mi14:25:363:04:407:266:45
7:54
#8629
25.2M
25.20 mi14:28:333:07:377:272:57
8:33
#8618
Finish
26.22 mi14:35:583:15:027:277:25
7:17
#8560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109532256225610054(Top 35%)1911(Top 16%)1911(Top 35%)
10K6.21 mi3.10 mi8725+22281268+9881268+9886976(Top 25%)704(Top 6%)704(Top 13%)
15K9.32 mi3.11 mi9133-4081449-1811449-18110054(Top 35%)1911(Top 16%)1911(Top 35%)
20K12.43 mi3.11 mi9315-1821553-1041553-10410064(Top 35%)1983(Top 16%)1983(Top 36%)
Half13.11 mi0.68 mi9285+301544+91544+98800(Top 31%)1412(Top 12%)1412(Top 26%)
25K15.53 mi2.42 mi9088+1971490+541490+548529(Top 30%)1439(Top 12%)1439(Top 26%)
30K18.64 mi3.11 mi9073+151540-501540-509367(Top 33%)1986(Top 16%)1986(Top 36%)
20M20.00 mi1.36 mi8949+1241516+241516+248150(Top 29%)1596(Top 13%)1596(Top 29%)
21M21.00 mi1.00 mi8861+881515+11515+18074(Top 28%)1756(Top 14%)1756(Top 32%)
35K21.75 mi0.75 mi8851+101532-171532-179487(Top 33%)2342(Top 19%)2342(Top 43%)
23M23.00 mi1.25 mi8732+1191526+61526+67717(Top 27%)1695(Top 14%)1695(Top 31%)
24M24.00 mi1.00 mi8637+951522+41522+47850(Top 28%)1799(Top 15%)1799(Top 33%)
40K24.85 mi0.85 mi8629+81563-411563-419440(Top 33%)2641(Top 22%)2641(Top 48%)
25.2M25.20 mi0.35 mi8618+111570-71570-79137(Top 32%)2574(Top 21%)2574(Top 47%)
Finish26.22 mi1.02 mi8560+58157015707638(Top 27%)1910(Top 16%)1910(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

10054

Females

1911

F18-39

1911

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6976

Females

704

F18-39

704

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

10054

Females

1911

F18-39

1911

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

10064

Females

1983

F18-39

1983

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8800

Females

1412

F18-39

1412

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8529

Females

1439

F18-39

1439

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9367

Females

1986

F18-39

1986

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8150

Females

1596

F18-39

1596

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

8074

Females

1756

F18-39

1756

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9487

Females

2342

F18-39

2342

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7717

Females

1695

F18-39

1695

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7850

Females

1799

F18-39

1799

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9440

Females

2641

F18-39

2641

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9137

Females

2574

F18-39

2574

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7638

Females

1910

F18-39

1910

Passing Analysis

Category:
Athletes Passed
3832*
Passed By
1439
Net Change
+2393
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10953
5K → 10K2232*4+2228#10953#8725
10K → 15K61469-408#8725#9133
15K → 20K118300-182#9133#9315
20K → Half4010+30#9315#9285
Half → 25K24952+197#9285#9088
25K → 30K229214+15#9088#9073
30K → 20M16743+124#9073#8949
20M → 21M14456+88#8949#8861
21M → 35K6151+10#8861#8851
35K → 23M17657+119#8851#8732
23M → 24M11823+95#8732#8637
24M → 40K9082+8#8637#8629
40K → 25.2M4332+11#8629#8618
25.2M → Finish10446+58#8618#8560
TOTALS3832*1439+2393

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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