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BOSTON MARATHON 2025

Aneta Szatkowski

Bib: 22659•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F45-49)
#0 / 1813
Top 42%
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
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:16:03
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:47:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:07:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:54/mi
2:35:06
↑ 181↓ 1480.2%
20M
9:11/mi
2:47:35
↑ 64↓ 500.2%
21M
9:52/mi
2:57:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
3:03:24
↑ 17↓ 861.7%
23M
8:43/mi
3:14:19
↑ 23↓ 630.6%
24M
8:31/mi
3:22:50
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:30:20
↓ 200.3%
25.2M
9:31/mi
3:33:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:42:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:17
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:54:54
Pace8:46 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0925:258:1125:25
8:11
-
10K
6.21 mi11:47:1950:358:0825:10
8:06
-0:05
15K
9.32 mi12:12:471:16:038:1025:28
8:12
+0:06
20K
12.43 mi12:38:241:41:408:1125:37
8:15
+0:03
Half
13.11 mi12:44:011:47:178:115:37
8:14
-0:01
25K
15.53 mi13:04:122:07:288:1220:11
8:19
+0:05
30K
18.64 mi13:31:502:35:068:1927:38
8:54
+0:35
20M
20.00 mi13:44:192:47:358:2312:29
9:11
+0:17
21M
21.00 mi13:54:112:57:278:279:52
9:52
+0:41
35K
21.75 mi14:00:083:03:248:265:57
7:57
-1:55
23M
23.00 mi14:11:033:14:198:2710:55
8:43
+0:46
24M
24.00 mi14:19:343:22:508:278:31
8:31
-0:12
40K
24.85 mi14:27:043:30:208:287:30
8:46
+0:15
25.2M
25.20 mi14:30:213:33:378:293:17
9:31
+0:45
Finish
26.22 mi14:38:553:42:118:298:34
8:24
-1:07

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

7:57 /mi

Average Pace

8:29 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:07

14% of race

Time at Steady Pace

1:59:23

54% of race

Time at Slower Pace

1:11:41

32% of race

Average Pace: 8:28 /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 mi11:22:0925:258:1125:25
8:11
#17989
10K
6.21 mi11:47:1950:358:0825:10
8:06
#17579
15K
9.32 mi12:12:471:16:038:1025:28
8:12
#17485
20K
12.43 mi12:38:241:41:408:1125:37
8:15
#17221
Half
13.11 mi12:44:011:47:178:115:37
8:14
#17219
25K
15.53 mi13:04:122:07:288:1220:11
8:19
#16992
30K
18.64 mi13:31:502:35:068:1927:38
8:54
#16960
20M
20.00 mi13:44:192:47:358:2312:29
9:11
#17010
21M
21.00 mi13:54:112:57:278:279:52
9:52
#17015
35K
21.75 mi14:00:083:03:248:265:57
7:57
#16825
23M
23.00 mi14:11:033:14:198:2710:55
8:43
#16678
24M
24.00 mi14:19:343:22:508:278:31
8:31
#16566
40K
24.85 mi14:27:043:30:208:287:30
8:46
#16492
25.2M
25.20 mi14:30:213:33:378:293:17
9:31
#16462
Finish
26.22 mi14:38:553:42:118:298:34
8:24
#16405
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi179896337633717376(Top 61%)5943(Top 49%)5943(Top 328%)
10K6.21 mi3.10 mi17579+4106085+2526085+25217213(Top 61%)5830(Top 48%)5830(Top 322%)
15K9.32 mi3.11 mi17485+946006+796006+7917376(Top 61%)5943(Top 49%)5943(Top 328%)
20K12.43 mi3.11 mi17221+2645872+1345872+13416605(Top 58%)5550(Top 45%)5550(Top 306%)
Half13.11 mi0.68 mi17219+25873-15873-117508(Top 62%)6034(Top 49%)6034(Top 333%)
25K15.53 mi2.42 mi16992+2275757+1165757+11616094(Top 57%)5366(Top 44%)5366(Top 296%)
30K18.64 mi3.11 mi16960+325790-335790-3317122(Top 60%)6088(Top 50%)6088(Top 336%)
20M20.00 mi1.36 mi17010-505850-605850-6017730(Top 62%)6542(Top 54%)6542(Top 361%)
21M21.00 mi1.00 mi17015-55885-355885-3517778(Top 63%)6675(Top 55%)6675(Top 368%)
35K21.75 mi0.75 mi16825+1905785+1005785+10012026(Top 42%)3683(Top 30%)3683(Top 203%)
23M23.00 mi1.25 mi16678+1475741+445741+4414683(Top 52%)5169(Top 42%)5169(Top 285%)
24M24.00 mi1.00 mi16566+1125697+445697+4414647(Top 52%)5183(Top 42%)5183(Top 286%)
40K24.85 mi0.85 mi16492+745685+125685+1215056(Top 53%)5551(Top 45%)5551(Top 306%)
25.2M25.20 mi0.35 mi16462+305676+95676+914754(Top 52%)5424(Top 44%)5424(Top 299%)
Finish26.22 mi1.02 mi16405+575670+65670+615653(Top 55%)5835(Top 48%)5835(Top 322%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17376

Females

5943

F45-49

5943

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17213

Females

5830

F45-49

5830

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17376

Females

5943

F45-49

5943

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16605

Females

5550

F45-49

5550

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17508

Females

6034

F45-49

6034

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16094

Females

5366

F45-49

5366

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17122

Females

6088

F45-49

6088

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17730

Females

6542

F45-49

6542

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17778

Females

6675

F45-49

6675

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

12026

Females

3683

F45-49

3683

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14683

Females

5169

F45-49

5169

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14647

Females

5183

F45-49

5183

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15056

Females

5551

F45-49

5551

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14754

Females

5424

F45-49

5424

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15653

Females

5835

F45-49

5835

Passing Analysis

Category:
Athletes Passed
2609
Passed By
1025
Net Change
+1584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17989
5K → 10K523113+410#17989#17579
10K → 15K256162+94#17579#17485
15K → 20K32056+264#17485#17221
20K → Half3028+2#17221#17219
Half → 25K27548+227#17219#16992
25K → 30K239207+32#16992#16960
30K → 20M77127-50#16960#17010
20M → 21M115120-5#17010#17015
21M → 35K1900+190#17015#16825
35K → 23M18841+147#16825#16678
23M → 24M13321+112#16678#16566
24M → 40K11339+74#16566#16492
40K → 25.2M4919+30#16492#16462
25.2M → Finish10144+57#16462#16405
TOTALS26091025+1584
📊

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