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BOSTON MARATHON 2025

Isabella Zografos

Bib: 27531•F

ME

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
10:38/mi
33:01
↑ 97↓ 3451.5%
10K· 6.21 mi
10:25/mi
1:05:23
↑ 79↓ 1380.4%
15K· 9.32 mi
10:52/mi
1:39:09
↑ 67↓ 78
20K· 12.43 mi
10:31/mi
2:11:49
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:18:40
↑ 19↓ 370.5%
25K· 15.53 mi
10:21/mi
2:43:46
↑ 66↓ 880.2%
30K· 18.64 mi
10:58/mi
3:17:51
↑ 181↓ 1480.2%
20M
10:49/mi
3:32:33
↑ 64↓ 500.2%
21M
11:47/mi
3:44:20
↑ 106↓ 241.6%
35K· 21.75 mi
10:28/mi
3:52:10
↑ 17↓ 861.7%
23M
10:59/mi
4:05:55
↑ 23↓ 630.6%
24M
10:50/mi
4:16:45
↓ 821.3%
40K· 24.85 mi
11:25/mi
4:26:31
↓ 200.3%
25.2M
12:17/mi
4:30:45
↑ 13↓ 160.2%
Finish· 26.22 mi
11:12/mi
4:42:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:40
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:23:30
Pace10:57 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2433:0110:3833:01
10:38
-
10K
6.21 mi12:24:461:05:2310:3132:22
10:25
-0:13
15K
9.32 mi12:58:321:39:0910:3833:46
10:52
+0:27
20K
12.43 mi13:31:122:11:4910:3632:40
10:31
-0:21
Half
13.11 mi13:38:032:18:4010:356:51
10:02
-0:29
25K
15.53 mi14:03:092:43:4610:3325:06
10:21
+0:19
30K
18.64 mi14:37:143:17:5110:3734:05
10:58
+0:37
20M
20.00 mi14:51:563:32:3310:3814:42
10:49
-0:09
21M
21.00 mi15:03:433:44:2010:4111:47
11:47
+0:58
35K
21.75 mi15:11:333:52:1010:417:50
10:28
-1:19
23M
23.00 mi15:25:184:05:5510:4213:45
10:59
+0:31
24M
24.00 mi15:36:084:16:4510:4210:50
10:50
-0:09
40K
24.85 mi15:45:544:26:3110:439:46
11:25
+0:35
25.2M
25.20 mi15:50:084:30:4510:454:14
12:17
+0:52
Finish
26.22 mi16:01:334:42:1010:4611:25
11:12
-1:05

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

10:02 /mi

Average Pace

10:46 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:49

37% of race

Time at Steady Pace

2:20:09

50% of race

Time at Slower Pace

37:12

13% of race

Average Pace: 10:46 /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 mi11:52:2433:0110:3833:01
10:38
#27007
10K
6.21 mi12:24:461:05:2310:3132:22
10:25
#26526
15K
9.32 mi12:58:321:39:0910:3833:46
10:52
#26516
20K
12.43 mi13:31:122:11:4910:3632:40
10:31
#26171
Half
13.11 mi13:38:032:18:4010:356:51
10:02
#26102
25K
15.53 mi14:03:092:43:4610:3325:06
10:21
#25760
30K
18.64 mi14:37:143:17:5110:3734:05
10:58
#25432
20M
20.00 mi14:51:563:32:3310:3814:42
10:49
#25290
21M
21.00 mi15:03:433:44:2010:4111:47
11:47
#25194
35K
21.75 mi15:11:333:52:1010:417:50
10:28
#25141
23M
23.00 mi15:25:184:05:5510:4213:45
10:59
#25066
24M
24.00 mi15:36:084:16:4510:4210:50
10:50
#25004
40K
24.85 mi15:45:544:26:3110:439:46
11:25
#24963
25.2M
25.20 mi15:50:084:30:4510:454:14
12:17
#24955
Finish
26.22 mi16:01:334:42:1010:4611:25
11:12
#25005
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27007113311133126505(Top 93%)11071(Top 91%)11071(Top 202%)
10K6.21 mi3.10 mi26526+48111063+26811063+26826123(Top 92%)10857(Top 89%)10857(Top 199%)
15K9.32 mi3.11 mi26516+1011065-211065-226505(Top 93%)11071(Top 91%)11071(Top 202%)
20K12.43 mi3.11 mi26171+34510871+19410871+19425204(Top 89%)10376(Top 85%)10376(Top 190%)
Half13.11 mi0.68 mi26102+6910843+2810843+2824873(Top 88%)10206(Top 83%)10206(Top 187%)
25K15.53 mi2.42 mi25760+34210666+17710666+17724067(Top 85%)9781(Top 80%)9781(Top 179%)
30K18.64 mi3.11 mi25432+32810517+14910517+14923952(Top 84%)9843(Top 80%)9843(Top 180%)
20M20.00 mi1.36 mi25290+14210461+5610461+5623198(Top 82%)9527(Top 78%)9527(Top 174%)
21M21.00 mi1.00 mi25194+9610418+4310418+4323169(Top 82%)9588(Top 78%)9588(Top 175%)
35K21.75 mi0.75 mi25141+5310396+2210396+2223071(Top 81%)9593(Top 78%)9593(Top 175%)
23M23.00 mi1.25 mi25066+7510370+2610370+2623162(Top 82%)9697(Top 79%)9697(Top 177%)
24M24.00 mi1.00 mi25004+6210342+2810342+2823613(Top 83%)9937(Top 81%)9937(Top 182%)
40K24.85 mi0.85 mi24963+4110335+710335+723985(Top 84%)10162(Top 83%)10162(Top 186%)
25.2M25.20 mi0.35 mi24955+810330+510330+523693(Top 83%)10025(Top 82%)10025(Top 183%)
Finish26.22 mi1.02 mi25005-5010360-3010360-3025690(Top 90%)10994(Top 90%)10994(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26505

Females

11071

F18-39

11071

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26123

Females

10857

F18-39

10857

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26505

Females

11071

F18-39

11071

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25204

Females

10376

F18-39

10376

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24873

Females

10206

F18-39

10206

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24067

Females

9781

F18-39

9781

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23952

Females

9843

F18-39

9843

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23198

Females

9527

F18-39

9527

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23169

Females

9588

F18-39

9588

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23071

Females

9593

F18-39

9593

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23162

Females

9697

F18-39

9697

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23613

Females

9937

F18-39

9937

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23985

Females

10162

F18-39

10162

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23693

Females

10025

F18-39

10025

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25690

Females

10994

F18-39

10994

Passing Analysis

Category:
Athletes Passed
2282
Passed By
280
Net Change
+2002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27007
5K → 10K50524+481#27007#26526
10K → 15K124114+10#26526#26516
15K → 20K3527+345#26516#26171
20K → Half712+69#26171#26102
Half → 25K3464+342#26102#25760
25K → 30K3368+328#25760#25432
30K → 20M1519+142#25432#25290
20M → 21M1048+96#25290#25194
21M → 35K552+53#25194#25141
35K → 23M816+75#25141#25066
23M → 24M697+62#25066#25004
24M → 40K5817+41#25004#24963
40K → 25.2M157+8#24963#24955
25.2M → Finish1565-50#24955#25005
TOTALS2282280+2002
📊

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