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BOSTON MARATHON 2025

Andrea Erb

Bib: 20788•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
Division (F50-54)
#0 / 1303
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:32
Rank: #18239
Start → 5K
25:32 | 8:13/mi
10K· 6.21 mi
51:14
Rank: #18270 (-31)
5K → 10K
25:42 | 8:16/mi
15K· 9.32 mi
1:16:59
Rank: #18152 (+118)
10K → 15K
25:45 | 8:17/mi
20K· 12.43 mi
1:43:56
Rank: #18410 (-258)
15K → 20K
26:57 | 8:40/mi
Half· 13.11 mi
1:49:29
Rank: #18315 (+95)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:09:25
Rank: #17785 (+530)
Half → 25K
19:56 | 8:13/mi
30K· 18.64 mi
2:35:48
Rank: #17185 (+600)
25K → 30K
26:23 | 8:30/mi
20M
2:47:30
Rank: #16982 (+203)
30K → 20M
11:42 | 8:37/mi
21M
2:56:20
Rank: #16688 (+294)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
3:02:31
Rank: #16562 (+126)
21M → 35K
6:11 | 8:16/mi
23M
3:13:06
Rank: #16305 (+257)
35K → 23M
10:35 | 8:27/mi
24M
3:21:08
Rank: #16086 (+219)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:27:55
Rank: #15850 (+236)
24M → 40K
6:47 | 7:56/mi
25.2M
3:30:54
Rank: #15737 (+113)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:38:34
Rank: #15507 (+230)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:49:29
Pace8:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2425:328:1325:32
8:13
-
10K
6.21 mi11:45:0651:148:1525:42
8:16
+0:03
15K
9.32 mi12:10:511:16:598:1625:45
8:17
+0:01
20K
12.43 mi12:37:481:43:568:2226:57
8:40
+0:23
Half
13.11 mi12:43:211:49:298:215:33
8:08
-0:32
25K
15.53 mi13:03:172:09:258:2019:56
8:13
+0:05
30K
18.64 mi13:29:402:35:488:2126:23
8:30
+0:17
20M
20.00 mi13:41:222:47:308:2211:42
8:37
+0:07
21M
21.00 mi13:50:122:56:208:248:50
8:50
+0:13
35K
21.75 mi13:56:233:02:318:246:11
8:16
-0:34
23M
23.00 mi14:06:583:13:068:2410:35
8:27
+0:11
24M
24.00 mi14:15:003:21:088:238:02
8:02
-0:25
40K
24.85 mi14:21:473:27:558:226:47
7:56
-0:06
25.2M
25.20 mi14:24:463:30:548:222:59
8:39
+0:43
Finish
26.22 mi14:32:263:38:348:217:40
7:31
-1:08

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

7:31 /mi

Average Pace

8:21 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:23

48% of race

Time at Steady Pace

1:53:11

52% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:19:2425:328:1325:32
8:13
#18239
10K
6.21 mi11:45:0651:148:1525:42
8:16
#18270
15K
9.32 mi12:10:511:16:598:1625:45
8:17
#18152
20K
12.43 mi12:37:481:43:568:2226:57
8:40
#18410
Half
13.11 mi12:43:211:49:298:215:33
8:08
#18315
25K
15.53 mi13:03:172:09:258:2019:56
8:13
#17785
30K
18.64 mi13:29:402:35:488:2126:23
8:30
#17185
20M
20.00 mi13:41:222:47:308:2211:42
8:37
#16982
21M
21.00 mi13:50:122:56:208:248:50
8:50
#16688
35K
21.75 mi13:56:233:02:318:246:11
8:16
#16562
23M
23.00 mi14:06:583:13:068:2410:35
8:27
#16305
24M
24.00 mi14:15:003:21:088:238:02
8:02
#16086
40K
24.85 mi14:21:473:27:558:226:47
7:56
#15850
25.2M
25.20 mi14:24:463:30:548:222:59
8:39
#15737
Finish
26.22 mi14:32:263:38:348:217:40
7:31
#15507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi182396483648317966(Top 63%)6293(Top 51%)6293(Top 483%)
10K6.21 mi3.10 mi18270-316487-46487-418373(Top 65%)6523(Top 53%)6523(Top 501%)
15K9.32 mi3.11 mi18152+1186420+676420+6717966(Top 63%)6293(Top 51%)6293(Top 483%)
20K12.43 mi3.11 mi18410-2586574-1546574-15419282(Top 68%)7068(Top 58%)7068(Top 542%)
Half13.11 mi0.68 mi18315+956524+506524+5016882(Top 59%)5685(Top 46%)5685(Top 436%)
25K15.53 mi2.42 mi17785+5306226+2986226+29815459(Top 54%)4993(Top 41%)4993(Top 383%)
30K18.64 mi3.11 mi17185+6005927+2995927+29914710(Top 52%)4749(Top 39%)4749(Top 364%)
20M20.00 mi1.36 mi16982+2035833+945833+9414517(Top 51%)4786(Top 39%)4786(Top 367%)
21M21.00 mi1.00 mi16688+2945693+1405693+14012562(Top 44%)3909(Top 32%)3909(Top 300%)
35K21.75 mi0.75 mi16562+1265639+545639+5414088(Top 50%)4724(Top 39%)4724(Top 363%)
23M23.00 mi1.25 mi16305+2575521+1185521+11813049(Top 46%)4306(Top 35%)4306(Top 330%)
24M24.00 mi1.00 mi16086+2195428+935428+9311539(Top 41%)3601(Top 29%)3601(Top 276%)
40K24.85 mi0.85 mi15850+2365315+1135315+1139776(Top 34%)2835(Top 23%)2835(Top 218%)
25.2M25.20 mi0.35 mi15737+1135266+495266+499856(Top 35%)2982(Top 24%)2982(Top 229%)
Finish26.22 mi1.02 mi15507+2305155+1115155+1119412(Top 33%)2740(Top 22%)2740(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17966

Females

6293

F50-54

6293

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18373

Females

6523

F50-54

6523

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17966

Females

6293

F50-54

6293

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19282

Females

7068

F50-54

7068

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16882

Females

5685

F50-54

5685

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15459

Females

4993

F50-54

4993

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14710

Females

4749

F50-54

4749

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14517

Females

4786

F50-54

4786

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12562

Females

3909

F50-54

3909

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14088

Females

4724

F50-54

4724

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13049

Females

4306

F50-54

4306

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11539

Females

3601

F50-54

3601

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9776

Females

2835

F50-54

2835

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9856

Females

2982

F50-54

2982

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9412

Females

2740

F50-54

2740

Passing Analysis

Category:
Athletes Passed
3593
Passed By
861
Net Change
+2732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18239
5K → 10K251282-31#18239#18270
10K → 15K244126+118#18270#18152
15K → 20K124382-258#18152#18410
20K → Half1027+95#18410#18315
Half → 25K5377+530#18315#17785
25K → 30K61515+600#17785#17185
30K → 20M21613+203#17185#16982
20M → 21M2973+294#16982#16688
21M → 35K1359+126#16688#16562
35K → 23M27114+257#16562#16305
23M → 24M2201+219#16305#16086
24M → 40K2360+236#16086#15850
40K → 25.2M1130+113#15850#15737
25.2M → Finish2322+230#15737#15507
TOTALS3593861+2732
📊

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