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BOSTON MARATHON 2025

Matilda Mihalecko

Bib: 22324 F HR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F45-49)
#0 / 1813
Top 50%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:38/mi
26:50
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:20/mi
52:44
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:30/mi
1:19:08
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:35/mi
1:45:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:15/mi
1:51:27
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:41/mi
2:12:31
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:56/mi
2:40:15
↑ 181↓ 1480.2%
138 ft elev
20M
8:49/mi
2:52:14
↑ 64↓ 500.2%
148 ft elev
21M
9:41/mi
3:01:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:05/mi
3:07:58
↑ 17↓ 861.7%
156 ft elev
23M
8:32/mi
3:18:39
↑ 23↓ 630.6%
116 ft elev
24M
8:14/mi
3:26:53
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:25/mi
3:34:05
↓ 200.3%
20 ft elev
25.2M
8:59/mi
3:37:11
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:05/mi
3:45:25
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:51:278:30 /mi⚡ faster
2nd Half
1:53:588:42 /mi+2.3%
Positive split — 2.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
26:508:383.11 mi26:50
8:38
-
10K
52:448:293.10 mi25:54
8:20
-0:18
15K
1:19:088:293.11 mi26:24
8:30
+0:10
20K
1:45:498:313.11 mi26:41
8:35
+0:05
Half(13.11 mi)
1:51:278:300.68 mi5:38
8:15
-0:20
25K
2:12:318:322.42 mi21:04
8:41
+0:26
30K
2:40:158:363.11 mi27:44
8:56
+0:15
20M
2:52:148:371.36 mi11:59
8:49
-0:07
21M
3:01:558:401.00 mi9:41
9:41
+0:52
35K
3:07:588:390.75 mi6:03
8:05
-1:36
23M
3:18:398:381.25 mi10:41
8:32
+0:27
24M
3:26:538:371.00 mi8:14
8:14
-0:18
40K
3:34:058:370.85 mi7:12
8:25
+0:11
25.2M
3:37:118:370.35 mi3:06
8:59
+0:34
Finish(26.22 mi)
3:45:258:361.02 mi8:14
8:05
-0:54
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:05 /mi

Average Pace

8:36 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:04:54

82% of race

Time at Steady Pace

30:50

14% of race

Time at Slower Pace

9:41

4% of race

Average Pace: 8:36 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi20685790179011930570637063
10K3.10 mi19758+9277328+5737328+5731879467586758
15K3.11 mi19599+1597234+947234+941930570637063
20K3.11 mi19354+2457109+1257109+1251878467906790
Half(13.11 mi)0.68 mi19264+907061+487061+481770061546154
25K2.42 mi19098+1666969+926969+921832366046604
30K3.11 mi18728+3706787+1826787+1821729661876187
20M1.36 mi18500+2286694+936694+931579554815481
21M1.00 mi18376+1246653+416653+411697062416241
35K0.75 mi18188+1886564+896564+891291441334133
23M1.25 mi17896+2926437+1276437+1271355745634563
24M1.00 mi17655+2416332+1056332+1051285342534253
40K0.85 mi17489+1666273+596273+591298544474447
25.2M0.35 mi17407+826231+426231+421186139373937
Finish(26.22 mi)1.02 mi17248+1596155+766155+761349247004700

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19305

Females

7063

F45-49

7063

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18794

Females

6758

F45-49

6758

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19305

Females

7063

F45-49

7063

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18784

Females

6790

F45-49

6790

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17700

Females

6154

F45-49

6154

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18323

Females

6604

F45-49

6604

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17296

Females

6187

F45-49

6187

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15795

Females

5481

F45-49

5481

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16970

Females

6241

F45-49

6241

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12914

Females

4133

F45-49

4133

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13557

Females

4563

F45-49

4563

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12853

Females

4253

F45-49

4253

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12985

Females

4447

F45-49

4447

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11861

Females

3937

F45-49

3937

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13492

Females

4700

F45-49

4700

Passing Analysis

Category:
Passed
3916
Passed By
479
Net Change
+3437
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20685
5K → 10K98053+927#20685#19758
10K → 15K273114+159#19758#19599
15K → 20K32378+245#19599#19354
20K → Half955+90#19354#19264
Half → 25K24882+166#19264#19098
25K → 30K43363+370#19098#18728
30K → 20M24214+228#18728#18500
20M → 21M16339+124#18500#18376
21M → 35K1924+188#18376#18188
35K → 23M30311+292#18188#17896
23M → 24M2432+241#17896#17655
24M → 40K1715+166#17655#17489
40K → 25.2M842+82#17489#17407
25.2M → Finish1667+159#17407#17248
TOTALS3916479+3437

Passing Charts

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