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BOSTON MARATHON 2025

Tessa Archer

Bib: 22379•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 42%
Division (F45-49)
#0 / 1813
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
8:34/mi
26:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
54:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:19:50
↑ 67↓ 78
20K· 12.43 mi
8:23/mi
1:45:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:51:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:12:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:39:14
↑ 181↓ 1480.2%
20M
8:51/mi
2:51:15
↑ 64↓ 500.2%
21M
9:34/mi
3:00:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:07:24
↑ 17↓ 861.7%
23M
8:50/mi
3:18:28
↑ 23↓ 630.6%
24M
8:44/mi
3:27:12
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:35:04
↓ 200.3%
25.2M
9:34/mi
3:38:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:47:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:25
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:55:38
Pace8:49 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3726:368:3426:36
8:34
-
10K
6.21 mi11:51:1354:128:4327:36
8:53
+0:19
15K
9.32 mi12:16:511:19:508:3425:38
8:15
-0:38
20K
12.43 mi12:42:551:45:548:3126:04
8:23
+0:08
Half
13.11 mi12:48:261:51:258:305:31
8:05
-0:18
25K
15.53 mi13:09:042:12:038:3020:38
8:31
+0:26
30K
18.64 mi13:36:152:39:148:3327:11
8:45
+0:14
20M
20.00 mi13:48:162:51:158:3412:01
8:51
+0:06
21M
21.00 mi13:57:503:00:498:379:34
9:34
+0:43
35K
21.75 mi14:04:253:07:248:376:35
8:48
-0:46
23M
23.00 mi14:15:293:18:288:3811:04
8:50
+0:02
24M
24.00 mi14:24:133:27:128:388:44
8:44
-0:06
40K
24.85 mi14:32:053:35:048:397:52
9:12
+0:28
25.2M
25.20 mi14:35:233:38:228:403:18
9:34
+0:22
Finish
26.22 mi14:44:043:47:038:408:41
8:31
-1:03

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

8:05 /mi

Average Pace

8:40 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:19

91% of race

Time at Steady Pace

7:52

3% of race

Time at Slower Pace

12:52

6% of race

Average Pace: 8:40 /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 mi11:23:3726:368:3426:36
8:34
#20254
10K
6.21 mi11:51:1354:128:4327:36
8:53
#21018
15K
9.32 mi12:16:511:19:508:3425:38
8:15
#20057
20K
12.43 mi12:42:551:45:548:3126:04
8:23
#19401
Half
13.11 mi12:48:261:51:258:305:31
8:05
#19249
25K
15.53 mi13:09:042:12:038:3020:38
8:31
#18898
30K
18.64 mi13:36:152:39:148:3327:11
8:45
#18396
20M
20.00 mi13:48:162:51:158:3412:01
8:51
#18171
21M
21.00 mi13:57:503:00:498:379:34
9:34
#18072
35K
21.75 mi14:04:253:07:248:376:35
8:48
#18035
23M
23.00 mi14:15:293:18:288:3811:04
8:50
#17848
24M
24.00 mi14:24:133:27:128:388:44
8:44
#17723
40K
24.85 mi14:32:053:35:048:397:52
9:12
#17719
25.2M
25.20 mi14:35:233:38:228:403:18
9:34
#17659
Finish
26.22 mi14:44:043:47:038:408:41
8:31
#17614
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi202547649764917753(Top 63%)6171(Top 50%)6171(Top 340%)
10K6.21 mi3.10 mi21018-7648063-4148063-41421830(Top 77%)8499(Top 70%)8499(Top 469%)
15K9.32 mi3.11 mi20057+9617496+5677496+56717753(Top 63%)6171(Top 50%)6171(Top 340%)
20K12.43 mi3.11 mi19401+6567130+3667130+36617502(Top 62%)6054(Top 50%)6054(Top 334%)
Half13.11 mi0.68 mi19249+1527053+777053+7716592(Top 58%)5538(Top 45%)5538(Top 305%)
25K15.53 mi2.42 mi18898+3516862+1916862+19117278(Top 61%)6018(Top 49%)6018(Top 332%)
30K18.64 mi3.11 mi18396+5026602+2606602+26016306(Top 57%)5639(Top 46%)5639(Top 311%)
20M20.00 mi1.36 mi18171+2256516+866516+8615933(Top 56%)5560(Top 45%)5560(Top 307%)
21M21.00 mi1.00 mi18072+996474+426474+4216400(Top 58%)5930(Top 48%)5930(Top 327%)
35K21.75 mi0.75 mi18035+376465+96465+917272(Top 61%)6507(Top 53%)6507(Top 359%)
23M23.00 mi1.25 mi17848+1876412+536412+5315351(Top 54%)5525(Top 45%)5525(Top 305%)
24M24.00 mi1.00 mi17723+1256378+346378+3415961(Top 56%)5915(Top 48%)5915(Top 326%)
40K24.85 mi0.85 mi17719+46397-196397-1917368(Top 61%)6786(Top 55%)6786(Top 374%)
25.2M25.20 mi0.35 mi17659+606373+246373+2415030(Top 53%)5577(Top 46%)5577(Top 308%)
Finish26.22 mi1.02 mi17614+456370+36370+316382(Top 58%)6242(Top 51%)6242(Top 344%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17753

Females

6171

F45-49

6171

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21830

Females

8499

F45-49

8499

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17753

Females

6171

F45-49

6171

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17502

Females

6054

F45-49

6054

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16592

Females

5538

F45-49

5538

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17278

Females

6018

F45-49

6018

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16306

Females

5639

F45-49

5639

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15933

Females

5560

F45-49

5560

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16400

Females

5930

F45-49

5930

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17272

Females

6507

F45-49

6507

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15351

Females

5525

F45-49

5525

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15961

Females

5915

F45-49

5915

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17368

Females

6786

F45-49

6786

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15030

Females

5577

F45-49

5577

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16382

Females

6242

F45-49

6242

Passing Analysis

Category:
Athletes Passed
3782
Passed By
1142
Net Change
+2640
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20254
5K → 10K60824-764#20254#21018
10K → 15K9687+961#21018#20057
15K → 20K6648+656#20057#19401
20K → Half1542+152#19401#19249
Half → 25K36615+351#19249#18898
25K → 30K54139+502#18898#18396
30K → 20M24520+225#18396#18171
20M → 21M14748+99#18171#18072
21M → 35K6730+37#18072#18035
35K → 23M20922+187#18035#17848
23M → 24M15227+125#17848#17723
24M → 40K6157+4#17723#17719
40K → 25.2M699+60#17719#17659
25.2M → Finish7934+45#17659#17614
TOTALS37821142+2640
📊

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