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BOSTON MARATHON 2025

Katie Lynch

Bib: 20713•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F45-49)
#0 / 1813
Top 29%
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
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:05
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:04
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:40:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:45:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:05:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:31:09
↑ 181↓ 1480.2%
20M
8:36/mi
2:42:50
↑ 64↓ 500.2%
21M
8:54/mi
2:51:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:57:57
↑ 17↓ 861.7%
23M
8:36/mi
3:08:43
↑ 23↓ 630.6%
24M
8:23/mi
3:17:06
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:24:21
↓ 200.3%
25.2M
9:14/mi
3:27:32
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:35:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:34
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:11
Pace8:24 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4524:558:0124:55
8:01
-
10K
6.21 mi11:42:5550:058:0425:10
8:06
+0:05
15K
9.32 mi12:07:541:15:048:0324:59
8:02
-0:04
20K
12.43 mi12:32:591:40:098:0425:05
8:04
+0:02
Half
13.11 mi12:38:241:45:348:035:25
7:56
-0:08
25K
15.53 mi12:57:562:05:068:0319:32
8:03
+0:07
30K
18.64 mi13:23:592:31:098:0726:03
8:23
+0:20
20M
20.00 mi13:35:402:42:508:0811:41
8:36
+0:13
21M
21.00 mi13:44:342:51:448:118:54
8:54
+0:18
35K
21.75 mi13:50:472:57:578:116:13
8:19
-0:35
23M
23.00 mi14:01:333:08:438:1210:46
8:36
+0:17
24M
24.00 mi14:09:563:17:068:138:23
8:23
-0:13
40K
24.85 mi14:17:113:24:218:137:15
8:29
+0:06
25.2M
25.20 mi14:20:223:27:328:143:11
9:14
+0:45
Finish
26.22 mi14:28:353:35:458:148:13
8:04
-1:10

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

7:56 /mi

Average Pace

8:14 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:40

94% of race

Time at Steady Pace

12:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:17:4524:558:0124:55
8:01
#16748
10K
6.21 mi11:42:5550:058:0425:10
8:06
#16978
15K
9.32 mi12:07:541:15:048:0324:59
8:02
#16735
20K
12.43 mi12:32:591:40:098:0425:05
8:04
#16380
Half
13.11 mi12:38:241:45:348:035:25
7:56
#16331
25K
15.53 mi12:57:562:05:068:0319:32
8:03
#15970
30K
18.64 mi13:23:592:31:098:0726:03
8:23
#15573
20M
20.00 mi13:35:402:42:508:0811:41
8:36
#15437
21M
21.00 mi13:44:342:51:448:118:54
8:54
#15233
35K
21.75 mi13:50:472:57:578:116:13
8:19
#15173
23M
23.00 mi14:01:333:08:438:1210:46
8:36
#15075
24M
24.00 mi14:09:563:17:068:138:23
8:23
#14970
40K
24.85 mi14:17:113:24:218:137:15
8:29
#14895
25.2M
25.20 mi14:20:223:27:328:143:11
9:14
#14846
Finish
26.22 mi14:28:353:35:458:148:13
8:04
#14764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi167485596559616359(Top 58%)5347(Top 44%)5347(Top 295%)
10K6.21 mi3.10 mi16978-2305713-1175713-11717204(Top 61%)5821(Top 48%)5821(Top 321%)
15K9.32 mi3.11 mi16735+2435569+1445569+14416359(Top 58%)5347(Top 44%)5347(Top 295%)
20K12.43 mi3.11 mi16380+3555369+2005369+20015462(Top 54%)4893(Top 40%)4893(Top 270%)
Half13.11 mi0.68 mi16331+495345+245345+2415477(Top 54%)4877(Top 40%)4877(Top 269%)
25K15.53 mi2.42 mi15970+3615146+1995146+19914339(Top 50%)4392(Top 36%)4392(Top 242%)
30K18.64 mi3.11 mi15573+3974982+1644982+16414060(Top 50%)4407(Top 36%)4407(Top 243%)
20M20.00 mi1.36 mi15437+1364944+384944+3814432(Top 51%)4742(Top 39%)4742(Top 262%)
21M21.00 mi1.00 mi15233+2044859+854859+8512957(Top 46%)4100(Top 34%)4100(Top 226%)
35K21.75 mi0.75 mi15173+604835+244835+2414339(Top 50%)4870(Top 40%)4870(Top 269%)
23M23.00 mi1.25 mi15075+984813+224813+2213940(Top 49%)4770(Top 39%)4770(Top 263%)
24M24.00 mi1.00 mi14970+1054785+284785+2813788(Top 49%)4711(Top 39%)4711(Top 260%)
40K24.85 mi0.85 mi14895+754769+164769+1613332(Top 47%)4619(Top 38%)4619(Top 255%)
25.2M25.20 mi0.35 mi14846+494751+184751+1813163(Top 46%)4582(Top 37%)4582(Top 253%)
Finish26.22 mi1.02 mi14764+824735+164735+1613349(Top 47%)4628(Top 38%)4628(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16359

Females

5347

F45-49

5347

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17204

Females

5821

F45-49

5821

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16359

Females

5347

F45-49

5347

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15462

Females

4893

F45-49

4893

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15477

Females

4877

F45-49

4877

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14339

Females

4392

F45-49

4392

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14060

Females

4407

F45-49

4407

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14432

Females

4742

F45-49

4742

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12957

Females

4100

F45-49

4100

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14339

Females

4870

F45-49

4870

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13940

Females

4770

F45-49

4770

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13788

Females

4711

F45-49

4711

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13332

Females

4619

F45-49

4619

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13163

Females

4582

F45-49

4582

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13349

Females

4628

F45-49

4628

Passing Analysis

Category:
Athletes Passed
2914
Passed By
930
Net Change
+1984
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16748
5K → 10K206436-230#16748#16978
10K → 15K33188+243#16978#16735
15K → 20K41055+355#16735#16380
20K → Half6718+49#16380#16331
Half → 25K37514+361#16331#15970
25K → 30K45154+397#15970#15573
30K → 20M18246+136#15573#15437
20M → 21M22622+204#15437#15233
21M → 35K9737+60#15233#15173
35K → 23M14951+98#15173#15075
23M → 24M14237+105#15075#14970
24M → 40K10025+75#14970#14895
40K → 25.2M6415+49#14895#14846
25.2M → Finish11432+82#14846#14764
TOTALS2914930+1984
📊

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