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BOSTON MARATHON 2025

Evgenia Katsoni

Bib: 19424•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
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
7:45/mi
24:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:12:41
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:37:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:43:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:02:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:28:14
↑ 181↓ 1480.2%
20M
8:33/mi
2:39:51
↑ 64↓ 500.2%
21M
9:13/mi
2:49:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:55:01
↑ 17↓ 861.7%
23M
8:29/mi
3:05:38
↑ 23↓ 630.6%
24M
8:15/mi
3:13:53
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:21:19
↓ 200.3%
25.2M
9:43/mi
3:24:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:33:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:49:58
Pace8:23 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3924:057:4524:05
7:45
-
10K
6.21 mi11:40:5748:237:4724:18
7:49
+0:04
15K
9.32 mi12:05:151:12:417:4824:18
7:49
0:00
20K
12.43 mi12:30:331:37:597:5325:18
8:09
+0:20
Half
13.11 mi12:35:481:43:147:525:15
7:42
-0:27
25K
15.53 mi12:55:062:02:327:5319:18
7:58
+0:16
30K
18.64 mi13:20:482:28:147:5725:42
8:16
+0:18
20M
20.00 mi13:32:252:39:518:0011:37
8:33
+0:17
21M
21.00 mi13:41:382:49:048:039:13
9:13
+0:40
35K
21.75 mi13:47:352:55:018:035:57
7:57
-1:16
23M
23.00 mi13:58:123:05:388:0410:37
8:29
+0:32
24M
24.00 mi14:06:273:13:538:058:15
8:15
-0:14
40K
24.85 mi14:13:533:21:198:067:26
8:42
+0:27
25.2M
25.20 mi14:17:143:24:408:073:21
9:43
+1:01
Finish
26.22 mi14:25:463:33:128:088:32
8:22
-1:21

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

7:42 /mi

Average Pace

8:08 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:11

48% of race

Time at Steady Pace

1:18:24

37% of race

Time at Slower Pace

31:37

15% of race

Average Pace: 8:08 /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 mi11:16:3924:057:4524:05
7:45
#14410
10K
6.21 mi11:40:5748:237:4724:18
7:49
#14659
15K
9.32 mi12:05:151:12:417:4824:18
7:49
#14616
20K
12.43 mi12:30:331:37:597:5325:18
8:09
#14954
Half
13.11 mi12:35:481:43:147:525:15
7:42
#14879
25K
15.53 mi12:55:062:02:327:5319:18
7:58
#14620
30K
18.64 mi13:20:482:28:147:5725:42
8:16
#14306
20M
20.00 mi13:32:252:39:518:0011:37
8:33
#14257
21M
21.00 mi13:41:382:49:048:039:13
9:13
#14290
35K
21.75 mi13:47:352:55:018:035:57
7:57
#14177
23M
23.00 mi13:58:123:05:388:0410:37
8:29
#14115
24M
24.00 mi14:06:273:13:538:058:15
8:15
#14049
40K
24.85 mi14:13:533:21:198:067:26
8:42
#14048
25.2M
25.20 mi14:17:143:24:408:073:21
9:43
#14068
Finish
26.22 mi14:25:463:33:128:088:32
8:22
#14090
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144104165416514571(Top 51%)4350(Top 36%)4350(Top 80%)
10K6.21 mi3.10 mi14659-2494341-1764341-17615023(Top 53%)4552(Top 37%)4552(Top 83%)
15K9.32 mi3.11 mi14616+434322+194322+1914571(Top 51%)4350(Top 36%)4350(Top 80%)
20K12.43 mi3.11 mi14954-3384556-2344556-23415938(Top 56%)5174(Top 42%)5174(Top 95%)
Half13.11 mi0.68 mi14879+754526+304526+3013439(Top 47%)3750(Top 31%)3750(Top 69%)
25K15.53 mi2.42 mi14620+2594405+1214405+12113604(Top 48%)4004(Top 33%)4004(Top 73%)
30K18.64 mi3.11 mi14306+3144285+1204285+12013327(Top 47%)4018(Top 33%)4018(Top 73%)
20M20.00 mi1.36 mi14257+494280+54280+514100(Top 50%)4564(Top 37%)4564(Top 83%)
21M21.00 mi1.00 mi14290-334317-374317-3714722(Top 52%)5009(Top 41%)5009(Top 92%)
35K21.75 mi0.75 mi14177+1134283+344283+3412001(Top 42%)3658(Top 30%)3658(Top 67%)
23M23.00 mi1.25 mi14115+624293-104293-1013197(Top 46%)4374(Top 36%)4374(Top 80%)
24M24.00 mi1.00 mi14049+664291+24291+212937(Top 46%)4287(Top 35%)4287(Top 78%)
40K24.85 mi0.85 mi14048+14304-134304-1314587(Top 51%)5286(Top 43%)5286(Top 97%)
25.2M25.20 mi0.35 mi14068-204328-244328-2415697(Top 55%)5908(Top 48%)5908(Top 108%)
Finish26.22 mi1.02 mi14090-224367-394367-3915398(Top 54%)5687(Top 47%)5687(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14571

Females

4350

F18-39

4350

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15023

Females

4552

F18-39

4552

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14571

Females

4350

F18-39

4350

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15938

Females

5174

F18-39

5174

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13439

Females

3750

F18-39

3750

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

13604

Females

4004

F18-39

4004

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13327

Females

4018

F18-39

4018

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14100

Females

4564

F18-39

4564

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14722

Females

5009

F18-39

5009

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

12001

Females

3658

F18-39

3658

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13197

Females

4374

F18-39

4374

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12937

Females

4287

F18-39

4287

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14587

Females

5286

F18-39

5286

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15697

Females

5908

F18-39

5908

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15398

Females

5687

F18-39

5687

Passing Analysis

Category:
Athletes Passed
2141
Passed By
1821
Net Change
+320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14410
5K → 10K200449-249#14410#14659
10K → 15K219176+43#14659#14616
15K → 20K130468-338#14616#14954
20K → Half838+75#14954#14879
Half → 25K30243+259#14879#14620
25K → 30K41197+314#14620#14306
30K → 20M13687+49#14306#14257
20M → 21M105138-33#14257#14290
21M → 35K13825+113#14290#14177
35K → 23M13472+62#14177#14115
23M → 24M11650+66#14115#14049
24M → 40K7069+1#14049#14048
40K → 25.2M3151-20#14048#14068
25.2M → Finish6688-22#14068#14090
TOTALS21411821+320
📊

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