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BOSTON MARATHON 2025

Tiffany Kasanicky

Bib: 22669•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:34
Rank: #18299
Start → 5K
25:34 | 8:14/mi
10K· 6.21 mi
50:50
Rank: #17849 (+450)
5K → 10K
25:16 | 8:08/mi
15K· 9.32 mi
1:16:22
Rank: #17726 (+123)
10K → 15K
25:32 | 8:13/mi
20K· 12.43 mi
1:42:27
Rank: #17643 (+83)
15K → 20K
26:05 | 8:24/mi
Half· 13.11 mi
1:47:57
Rank: #17576 (+67)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:08:14
Rank: #17306 (+270)
Half → 25K
20:17 | 8:22/mi
30K· 18.64 mi
2:36:03
Rank: #17272 (+34)
25K → 30K
27:49 | 8:57/mi
20M
2:48:42
Rank: #17361 (-89)
30K → 20M
12:39 | 9:19/mi
21M
2:58:30
Rank: #17365 (-4)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:05:36
Rank: #17507 (-142)
21M → 35K
7:06 | 9:29/mi
23M
3:18:07
Rank: #17748 (-241)
35K → 23M
12:31 | 10:00/mi
24M
3:28:11
Rank: #17989 (-241)
23M → 24M
10:04 | 10:04/mi
40K· 24.85 mi
3:36:56
Rank: #18177 (-188)
24M → 40K
8:45 | 10:14/mi
25.2M
3:40:48
Rank: #18271 (-94)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:50:50
Rank: #18511 (-240)
25.2M → Finish
10:02 | 9:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:57
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:02:53
Pace9:22 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0725:348:1425:34
8:14
-
10K
6.21 mi11:47:2350:508:1125:16
8:08
-0:06
15K
9.32 mi12:12:551:16:228:1225:32
8:13
+0:05
20K
12.43 mi12:39:001:42:278:1526:05
8:24
+0:11
Half
13.11 mi12:44:301:47:578:145:30
8:04
-0:20
25K
15.53 mi13:04:472:08:148:1520:17
8:22
+0:18
30K
18.64 mi13:32:362:36:038:2227:49
8:57
+0:35
20M
20.00 mi13:45:152:48:428:2612:39
9:19
+0:22
21M
21.00 mi13:55:032:58:308:309:48
9:48
+0:29
35K
21.75 mi14:02:093:05:368:327:06
9:29
-0:19
23M
23.00 mi14:14:403:18:078:3712:31
10:00
+0:31
24M
24.00 mi14:24:443:28:118:4010:04
10:04
+0:04
40K
24.85 mi14:33:293:36:568:448:45
10:14
+0:10
25.2M
25.20 mi14:37:213:40:488:463:52
11:13
+0:59
Finish
26.22 mi14:47:233:50:508:4910:02
9:51
-1:22

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

8:04 /mi

Average Pace

8:49 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:14

56% of race

Time at Steady Pace

47:34

21% of race

Time at Slower Pace

55:02

24% of race

Average Pace: 8:48 /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 mi11:22:0725:348:1425:34
8:14
#18299
10K
6.21 mi11:47:2350:508:1125:16
8:08
#17849
15K
9.32 mi12:12:551:16:228:1225:32
8:13
#17726
20K
12.43 mi12:39:001:42:278:1526:05
8:24
#17643
Half
13.11 mi12:44:301:47:578:145:30
8:04
#17576
25K
15.53 mi13:04:472:08:148:1520:17
8:22
#17306
30K
18.64 mi13:32:362:36:038:2227:49
8:57
#17272
20M
20.00 mi13:45:152:48:428:2612:39
9:19
#17361
21M
21.00 mi13:55:032:58:308:309:48
9:48
#17365
35K
21.75 mi14:02:093:05:368:327:06
9:29
#17507
23M
23.00 mi14:14:403:18:078:3712:31
10:00
#17748
24M
24.00 mi14:24:443:28:118:4010:04
10:04
#17989
40K
24.85 mi14:33:293:36:568:448:45
10:14
#18177
25.2M
25.20 mi14:37:213:40:488:463:52
11:13
#18271
Finish
26.22 mi14:47:233:50:508:4910:02
9:51
#18511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi182996527652717527(Top 62%)6035(Top 49%)6035(Top 333%)
10K6.21 mi3.10 mi17849+4506240+2876240+28717448(Top 61%)5970(Top 49%)5970(Top 329%)
15K9.32 mi3.11 mi17726+1236162+786162+7817527(Top 62%)6035(Top 49%)6035(Top 333%)
20K12.43 mi3.11 mi17643+836124+386124+3817538(Top 62%)6074(Top 50%)6074(Top 335%)
Half13.11 mi0.68 mi17576+676079+456079+4516460(Top 58%)5465(Top 45%)5465(Top 301%)
25K15.53 mi2.42 mi17306+2705945+1345945+13416352(Top 58%)5516(Top 45%)5516(Top 304%)
30K18.64 mi3.11 mi17272+345977-325977-3217445(Top 61%)6276(Top 51%)6276(Top 346%)
20M20.00 mi1.36 mi17361-896061-846061-8418342(Top 65%)6915(Top 57%)6915(Top 381%)
21M21.00 mi1.00 mi17365-46096-356096-3517500(Top 62%)6536(Top 53%)6536(Top 361%)
35K21.75 mi0.75 mi17507-1426190-946190-9420307(Top 71%)8131(Top 66%)8131(Top 448%)
23M23.00 mi1.25 mi17748-2416357-1676357-16720486(Top 72%)8286(Top 68%)8286(Top 457%)
24M24.00 mi1.00 mi17989-2416516-1596516-15921542(Top 76%)8874(Top 73%)8874(Top 489%)
40K24.85 mi0.85 mi18177-1886645-1296645-12921186(Top 75%)8756(Top 72%)8756(Top 483%)
25.2M25.20 mi0.35 mi18271-946709-646709-6421286(Top 75%)8796(Top 72%)8796(Top 485%)
Finish26.22 mi1.02 mi18511-2406856-1476856-14722450(Top 79%)9393(Top 77%)9393(Top 518%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17527

Females

6035

F45-49

6035

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17448

Females

5970

F45-49

5970

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17527

Females

6035

F45-49

6035

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17538

Females

6074

F45-49

6074

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16460

Females

5465

F45-49

5465

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16352

Females

5516

F45-49

5516

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17445

Females

6276

F45-49

6276

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18342

Females

6915

F45-49

6915

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17500

Females

6536

F45-49

6536

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20307

Females

8131

F45-49

8131

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20486

Females

8286

F45-49

8286

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21542

Females

8874

F45-49

8874

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21186

Females

8756

F45-49

8756

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21286

Females

8796

F45-49

8796

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22450

Females

9393

F45-49

9393

Passing Analysis

Category:
Athletes Passed
2019
Passed By
2231
Net Change
-212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18299
5K → 10K561111+450#18299#17849
10K → 15K252129+123#17849#17726
15K → 20K224141+83#17726#17643
20K → Half8114+67#17643#17576
Half → 25K30636+270#17576#17306
25K → 30K238204+34#17306#17272
30K → 20M87176-89#17272#17361
20M → 21M96100-4#17361#17365
21M → 35K41183-142#17365#17507
35K → 23M55296-241#17507#17748
23M → 24M30271-241#17748#17989
24M → 40K30218-188#17989#18177
40K → 25.2M6100-94#18177#18271
25.2M → Finish12252-240#18271#18511
TOTALS20192231-212
📊

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